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The dimensional formula for the magnetic...

The dimensional formula for the magnetic fiedl is

A

`M ^(2) L ^(-2) T ^(-3) I ^(-2)`

B

`M ^(-2) L ^(1) T ^(-2) I ^(-1)`

C

`M L ^(0) T ^(-2) A ^(-1)`

D

`M ^(1) L ^(2) T ^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Magnetic field = force `xx` (charge `xx "velocity)"^(-1)`
`= [ M^(1) L ^(1) T ^(-2) ] xx [ I ^(1) T ^(1) ] ^(-1) xx [ L T ^(-1) ] ^(-1)`
`= [ M ^(1) L ^() T ^(-2) I ^(-1)].`
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