Two similar circular loops of radius R, are lying concentrically with

1.	Two similar circular loops of radius R, are lying concentrically with their planes at right angles to each otherespectively.The currents flowing in them are I andRoot 3I respectively. The magnetic field at the centre of the coil is
Answer» Explanation: The magnetic field at the center of the CIRCULAR coil of RADIUS R carrying current I is GIVEN by B= 2R μ 0 I . . . . . . .(1) The magnetic field at the center of the circular coil of radius R carrying current 3 I is given by B ′ = 2R 3 μ 0 I =B 3 (from EQUATION 1) The net magnetic field, B n = B 2 +3B 2 =2B B n =2. 2R μ 0 I = R μ 0 I

Two similar circular loops of radius R, are lying concentrically with their planes at right angles to each otherespectively.The currents flowing in them are I andRoot 3I respectively. The magnetic field at the centre of the coil is

Answer»

Explanation:

The magnetic field at the center of the CIRCULAR coil of RADIUS R carrying current I is GIVEN by

. . . . . . .(1)

The magnetic field at the center of the circular coil of radius R carrying current

I is given by

′

(from EQUATION 1)

The net magnetic field,

+3B

=2B

=2.

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Two similar circular loops of radius R, are lying concentrically with their planes at right angles to each otherespectively.The currents flowing in them are I andRoot 3I respectively. The magnetic field at the centre of the coil is

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