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The dimension of the ratio of magnetic f...

The dimension of the ratio of magnetic flux and the resistance is equal to that of:

A

induced emf

B

charge

C

inductane

D

current

Text Solution

Verified by Experts

The correct Answer is:
B
`phi=LI implies phi/R=(LI)/R`
`phi/R= amp-sec="charge"`
`**L/R`=time constant
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Knowledge Check

  • Magnetic flux is

    A
    total charge per unit area.
    B
    total current through a surface
    C
    total number of magnetic field lines passing normally through given area.
    D
    total e.m.f. in closed circuit.

  • The unit of magnetic flux is

    A
    `Wbm^(-2)`
    B
    Wb
    C
    H
    D
    `Am^(-1)`

  • The dimensional formula of magnetic flux is :

    A
    `[ML^2 T^(-2) A^(-1)]`
    B
    `[ML^0 T^(-2) A^(-2)]`
    C
    `[M^0 L^(-2) T^(-2) A^(-2)]`
    D
    `[ML^2T^(-1) A^3]`

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