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ALOK TIWARI

· started a discussion

· 1 Months ago

aaa (Question: 340288.0 )

at one time how it can be both directly and indirectly radius

Question:

Point out the WRONG statement.

The magnetising force at the centre of a circular coil varies:

Options:
A)

inversely as its radius

B)

directly as the number of its turns

C)

directly as the current

D)

directly as its radius

Solution:

Ans:(b) The magnetising force at the centre of a circular coil varies with

1. inversely as its radius

2. directly as the current

3. directly as its radius

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