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  • Two circular coils of wire each having a radius of 4 cm and 10 turns have a common axis and are 6cm apart. If a current of 1A passes through each coil in the opposite direction, find the magnetic i

Two circular coils of wire each having a radius of 4 cm and 10 turns have a common axis and are 6cm apart. If a current of 1A passes through each coil in the opposite direction, find the magnetic induction at a point on the axis, midway between them.

Option: 1

13 * 10-5 T


Option: 2

Zero


Option: 3

15 * 10-5 T


Option: 4

None of these


Answers (1)

Due to 1 and 2, the magnitude of B at point P is the same. Only the direction is opposite. So, they cancel each other.

so, Bnet = 0

Posted by

Ramraj Saini

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