Magnetic Effects of Electric Current
CBSE Class 10 Science · every board question from this chapter, 2022–2026
- Assertion: With the help of compass, magnetic field lines can be traced outside the bar magnet. Reason (R): The north pole of a…2026
- Assertion: The needle of a magnetic compass kept in strong external magnetic field, always aligns itself in north- south…2026
- Assertion: Direction of force exerted on a current-carrying conductor placed in a magnetic field remains same if the directions…2026
- Assertion: The needle of a compass, kept in an external magnetic field, always aligns itself in the North-South direction of the…2026
- Describe an activity to show that a current carrying conductor, placed in an external magnetic field experiences a force. Imagine…2026
- On the basis of the given circuit arrangement, answer the following questions: What happens to the rod AB when the key K is…2026
- The pattern of magnetic field due to a current carrying wire depends upon the shape made by that wire. Justify. A current…2026
- (i) The magnetic field lines due to two bar magnets X and Y are shown in the given diagram. If the magnet X is displaced towards…2026
- (i) State the rules to determine the following: (I) Direction of magnetic field produced around a current-carrying straight…2026
- (i) Draw a diagram showing the magnetic field lines around a bar magnet. Write any two characteristics of magnetic field lines.…2026
- Attempt either or: (i) State the rule which gives the direction of force acting on a current-carrying conductor placed in a…2026
- (i) List any two features of the electric current used in the houses of India. (ii) Write any two differences between direct…2026
- Attempt either or: A person was repairing an electric heater. He observed that there were three different connecting wires of…2026
- Attempt either or: (i) Write the name and statement of the rule used to determine the direction of the: (I) force experienced by…2026
- Attempt either or: (i) What is a solenoid? Draw a diagram showing the magnetic field pattern due to a current-carrying solenoid…2026
- In domestic electric circuits, the colour of insulation covers of wires in the cables of electric iron/electric toaster is…2025
- Which one of the following statements is not true about a bar magnet?2025
- The strength of magnetic field produced inside a long straight current carrying solenoid does not depend upon:2025
- The strength of the magnetic field produced inside a current carrying long straight solenoid does not depend upon:2025
- Assertion: The pattern of the magnetic field of a solenoid carrying a current is similar to that of a bar magnet. Reason (R): The…2025
- Assertion (A): Magnetic field lines around a bar magnet never intersect each other. Reason (R): Magnetic field produced by a bar…2025
- Assertion: In the common domestic circuits the earth wire is connected to a metallic plate buried deep inside the earth. Reason…2025
- Assertion: No two magnetic field lines are found to cross each other. Reason (R): The compass needle cannot point towards two…2025
- How and why is an electric fuse used in an electric circuit? Briefly describe its function.2025
- Draw the pattern of magnetic field lines due to a current carrying straight conductor. Mark on it the direction of current in the…2025
- What are magnetic field lines. List two important properties of magnetic field lines.2025
- What is short circuiting? State its possible causes. What is likely to happen if a domestic circuit gets short circuited? Give…2025
- Answer the following questions for a case in which a current carrying conductor is placed in a uniform magnetic field: List three…2025
- Draw a labelled diagram to show the pattern of magnetic field lines on a horizontal white board due to a straight current…2025
- Name and state the rule which determines the force on a current carrying conductor placed in a uniform magnetic field. Consider…2025
- Consider a rectangular cardboard having two holes P and Q through which a current carrying circular loop has been inserted as…2025
- "The third wire of earth connection is very important in domestic electric appliances." Justify this statement. List two…2025
- The given figure shows the current passing through the straight conductor XY. (i) Copy the diagram and draw the magnetic field…2025
- (i) Draw the pattern of the magnetic field lines for the two parallel straight conductors carrying current of same magnitude 'I'…2025
- Study the following electric circuit diagram and answer the questions that follow: (i) What does the circuit diagram shows? (ii)…2025
- What are magnetic field lines? How is the direction of magnetic field at a point determined? Draw the pattern of magnetic field…2025
- In order to obtain magnetic field lines around a bar magnet, a student performed an experiment using a magnetic compass and a bar…2025
- In our homes, we receive the supply of electric power through a main supply also called mains, either supported through overhead…2025
- The current carrying device which produces a magnetic field similar to that of a bar magnet is:2024
- The pattern of the magnetic field produced inside a current carrying solenoid is:2024
- A rectangular loop ABCD carrying a current I is situated near a straight conductor XY, such that the conductor is parallel to the…2024
- A uniform magnetic field exists in the plane of paper as shown in the diagram. In this field, an electron (e^-) and a positron…2024
- Strength of magnetic field produced by a current carrying solenoid DOES NOT depend upon:2024
- Study the following statements: A fuse in a circuit prevents damage to the circuit due to overloading. Total resistance in a…2024
- Assertion: Magnetic field lines never intersect each other. Reason (R): If they intersect, then at the point of intersection, the…2024
- Assertion: The deflection of a compass needle placed near a current carrying wire decreases when the magnitude of an electric…2024
- Draw a labelled diagram to show the pattern of magnetic field lines produced due to a current carrying straight conductor. Mark…2024
- Draw a labelled diagram to show the pattern of magnetic field lines produced due to a current carrying straight conductor. Mark…2024
- Draw a labelled diagram to show the pattern of magnetic field lines produced due to a current carrying straight conductor. Mark…2024
- Draw the pattern of the magnetic field lines due to a straight current carrying conductor indicating the direction of current in…2024
- (i) Two magnetic field lines do not intersect each other. Why? (ii) How is a uniform magnetic field in a given region…2024
- Name and state the rule to determine the direction of a: (i) magnetic field produced around a current carrying straight…2024
- Explain in brief the function of an electric fuse in a domestic circuit. An electric heater of current rating 3 kW; 220 V is to…2024
- What happens when a bundle of wires of soft iron is placed inside the coil of a solenoid carrying a steady current? Name the…2024
- Draw a diagram to show the pattern of magnetic field lines on a horizontal sheet of paper due to a straight conductor passing…2024
- Define the term solenoid. Draw the pattern of magnetic field lines around a current carrying solenoid. State how this magnetic…2024
- State Fleming's left hand rule. Apply this rule to determine the direction of force experienced by a straight current carrying…2024
- A student fixes a sheet of white paper on a drawing board. He places a bar magnet in the centre of it. He sprinkles some iron…2024
- "Earth wire is a safety measure in domestic electric circuits." Justify this statement explaining its role in case of accidental…2024
- How is a solenoid prepared? Differentiate between a circular coil and a solenoid. Draw the pattern of the magnetic field lines…2024
- List three advantages of parallel circuits in domestic wiring.2024
- A positron enters a uniform magnetic field at right angles to it as shown. The direction of force experienced by the positron…2023
- A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in the figure. The direction…2023
- The correct pattern of magnetic field lines of the field produced by a current carrying circular loop is:2023
- The magnetic field inside a long straight current carrying solenoid:2023
- A positron enters a uniform magnetic field at right angles to it as shown. The direction of force experienced by the positron…2023
- An alpha particle enters a uniform magnetic field as shown. The direction of motion of the alpha particle is:2023
- For a current in a long straight solenoid, N and S poles are created at the two ends. Among the following statements, the…2023
- A positron enters a uniform magnetic field at right angles to it as shown. The direction of force experienced by the positron…2023
- An alpha particle enters a uniform magnetic field as shown. The direction of force experienced by the alpha particle is:2023
- The resultant magnetic field at point 'P' situated midway between two parallel wires (placed horizontally) each carrying a steady…2023
- Assertion: The magnetic field lines around a current carrying straight wire do not intersect each other. Reason (R): The…2023
- Assertion: The strength of the magnetic field produced at the centre of a current carrying circular coil increases on increasing…2023
- Assertion: Magnetic field lines do not intersect each other. Reason (R): Magnetic field lines are imaginary lines, the tangent to…2023
- Assertion: A current carrying straight conductor experiences a force when placed perpendicular to the direction of magnetic…2023
- Assertion: Two magnetic field lines around a current carrying straight wire do not intersect each other. Reason (R): The…2023
- Consider a circular loop of thick copper wire lying horizontally on a table. Let the current pass through the loop anticlockwise.…2023
- Draw magnetic field lines produced around a straight current carrying conductor passing through a cardboard. How will the…2023
- State the rule to determine the direction of a magnetic field produced around a straight conductor carrying current and force…2023
- (i) State the rule used to find the force acting on a current carrying conductor placed in a magnetic field. (ii) Given below are…2023
- (i) State the rule used to find the force acting on a current carrying conductor placed in a magnetic field. (ii) Given below are…2023
- (i) A straight cylindrical conductor is suspended with its axis perpendicular to the magnetic field of a horse-shoe magnet. The…2023
- What is a solenoid? When does a solenoid behave as a magnet? Draw the pattern of the magnetic field produced inside it showing…2023
- What is a solenoid? Draw a diagram to show the pattern of magnetic field around a current carrying solenoid. Name the region of…2023
- List two factors on which the magnitude of magnetic field produced by a current carrying straight conductor depends. State the…2023
- Explain the meaning of overloading of an electrical circuit. List two possible causes due to which overloading may occur in…2023
- (i) Why is an alternating current (A. C. ) considered to be advantageous over direct current (D. C. ) for the long distance…2023
- Name the poles P, Q, R and S of the magnets in the following figures 'a' and 'b': 1 / 2+1 / 2+1=2 Figure 'a' Figure 'b' State the…2022
- As shown in the diagram an aluminium rod 'AB' is suspended horizontally between the two poles of a strong horse shoe magent in…2022
- Name the poles P, Q, R and S of the magnets in the following figures 'a' and 'b': Figure 'a' Figure 'b' State the inference drawn…2022
- As shown in the diagram an aluminium rod 'AB' is suspended horizontally between the two poles of a strong horse shoe magent in…2022
- (i) Name and state the rule to determine the direction of force experienced by a current carrying straight conductor placed in a…2022
- In the diagram given below, Coil- 1 is connected in series with a battery and a plug key while Coil- 2 is connected with a…2022
- Draw the pattern of magnetic field lines around a bar magnet. Mark the position of North Pole, South Pole and the places where…2022
- What is a Solenoid? Draw the pattern of the magnetic field lines around a current carrying solenoid. Mark on the pattern the…2022
- Draw the pattern of magnetic field lines produced by a current carrying circular loop showing the direction of current in the…2022
- In the diagram given below, Coil - 1 is connected in series with a battery and a plug key while Coil - 2 is connected with a…2022
- AB is a coil of copper wire having a large number of turns. The ends of the coil are connected with a galvanometer as shown. When…2022
- AB is a coil of copper wire having a large number of turns. The ends of the coil are connected with a galvanometer as shown. When…2022
- A student was asked to perform an experiment to study the force on a current carrying conductor in a magnetic field. He took a…2022
- A student was asked to perform an experiment to study the force on a current carrying conductor in a magnetic field. He took a…2022
- AB is a coil of copper wire having a large number of turns. The ends of the coil are connected with a galvanometer as shown. When…2022
- A student fixes a sheet of white paper on a drawing board using some adhesive materials. She places a bar magnet in the centre of…2022
- A student fixes a sheet of white paper on a drawing board using some adhesive materials. She places a bar magnet in the centre of…2022
- A student was asked to perform an experiment to study the force on a current carrying conductor in a magnetic field. He took a…2022
- A student fixes a sheet of white paper on a drawing board using some adhesive materials. She places a bar magnet in the centre of…2022
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