Physics · 2023
JEE Main · 10 April 2023, Shift 2 · Q59
A straight wire carrying a current of 14 A is bent into a semicircular arc of radius 2.2 cm as shown in the figure. The magnetic field produced by…
A straight wire carrying a current of $\displaystyle 14$ A is bent into a semicircular arc of radius $\displaystyle 2.2$ cm as shown in the figure. The magnetic field produced by the current at the centre (O) of the arc. is $\displaystyle \_\_\_\_$ $\displaystyle \times 10^{-4} \mathrm{~T}$
Official answer
From NTA’s final answer key for this paper.
2
More from Magnetic Field and Forces
- A student is provided with a variable voltage source V, a test resistor R_T=10 Ω, two identical galvanometers G_1 and G_2 and two additional…2023
- An electron is projected with uniform velocity along the axis inside a current carrying long solenoid. Then:2024
- Given below are two statements: Statement I: If the number of turns in the coil of a moving coil galvanometer is doubled then the current sensitivity…2023
- For a moving coil galvanometer, the deflection in the coil is 0.05 rad when a current of 10 mA is passed through it. If the torsional constant of…2023
- An electron moves through a uniform magnetic field B=B_0 i+2 B_0 j T. At a particular instant of time, the velocity of electron is u=3 i+5 j m / s.…2024
- A uniform magnetic field of 2 × 10^-3 T acts along positive Y -direction. A rectangular loop of sides 20 cm and 10 cm with current of 5 A is in Y-Z…2024
- An infinitely long straight wire carrying current I is bent in a planer shape as shown in the diagram. The radius of the circular part is r. The…2026
- When a resistance of 5 Ω is shunted with a moving coil galvanometer, it shows a full scale deflection for a current of 250 mA, however when 1050 Ω…2023
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.