Magnetic Effects of Electric Current

CBSE Class 10 Science · every board question from this chapter, 2025–2025 · 11 of them repeated across years

• 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?2025asked 3×
• The strength of magnetic field produced inside a long straight current carrying solenoid does not depend upon:2025asked 2×
• 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…2025asked 3×
• Assertion: Magnetic field lines around a bar magnet never intersect each other. Reason (R): Magnetic field produced by a bar…2025asked 3×
• Assertion: In the common domestic circuits the earth wire is connected to a metallic plate buried deep inside the earth. Reason…2025asked 3×
• Assertion: No two magnetic field lines are found to cross each other. Reason (R): The compass needle cannot point towards two…2025asked 3×
• 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…2025asked 3×
• (i) Draw the pattern of the magnetic field lines for the two parallel straight conductors carrying current of same magnitude 'I'…2025asked 3×
• 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…2025asked 2×
• In order to obtain magnetic field lines around a bar magnet, a student performed an experiment using a magnetic compass and a bar…2025asked 3×
• In our homes, we receive the supply of electric power through a main supply also called mains, either supported through overhead…2025asked 3×

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