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A small cylindrical soft iron piece is k...

A small cylindrical soft iron piece is kept in a galvanometer so that

A

current is proportional to square of deflection

B

a radial uniform magnetic field is produced

C

coil is set in magnetic meridian

D

All of the above

Text Solution

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The correct Answer is:
B

The cylinder soft Iron piece in a galavnometer helps in producing a radial unifrom magnetic field .
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