The earth’s magnetic induction at a certain point is 7 × 10⁻⁵ Wb/m². This is to be annulled by the magnetic induction at the centre of a circular conducting loop of radius 5 cm. The required current in the loop is
A
0.56 Å
B
5.6 Å
C
0.28 Å
D
2.8 Å

Question

The earth’s magnetic induction at a certain point is 7 × 10⁻⁵ Wb/m². This is to be annulled by the magnetic induction at the centre of a circular conducting loop of radius 5 cm. The required current in the loop is

A

0.56 Å

B

5.6 Å

C

0.28 Å

D

2.8 Å

Accepted Answer

5.6 Å

Answer

0.56 Å

Answer

0.28 Å

Answer

2.8 Å

AIIMS 2000 Physics Magnetic Field of a Loop MCQ Question

Correct Answer

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