A wire A, bent in the shape of.. | EMF

JEE MAIN 2020

04-09-2020 S1

Question

A wire A, bent in the shape of an arc of a circle, carrying a current of 2 A and having radius 2 cm and another wire B, also bent in the shape of arc of a circle, carrying a current of 3 A and having radius of 4 cm, are placed as shown in the figure. The ratio of the magnetic fields due to the wires A and B at the common centre O is

Select the correct option:

2 : 5

6 : 5

4 : 6

6 : 4

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution