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The dimensional formula for magnetic flu...

The dimensional formula for magnetic flux is

A

`[phi]=[M^(2)L^(1)T^(-2)A^(-1)]`

B

`[phi]=[M^(1)L^(2)T^(-2)A^(-1)]`

C

`[phi]=[M^(1)L^(-1)T^(2)A^(1)]`

D

`[phi]=[M^(1)L^(2)T^(2)A^(-1)]`

Text Solution

Verified by Experts

The correct Answer is:
B
`phi = BA and R = BIl`
`:. [B] = [(F)/(Il)]=[(M^(1)L^(1)T^(-2))/(A^(1)L^(1))] = [M^(1)L^(0)T^(-2)A^(-1)]`
`:. [phi] = [BA] = [M^(1)L^(0)T^(-2)A^(-1)xxL^(2)] = [M^(1)L^(2)T^(-2)A^(-1)]`.
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Describe briefly the concept of magnetic flux. Under what conditions it is (i) maximum (i) minimum? What are its S.I. and C.G.S. units. What is the relation between these units. Also write the dimensional formula of magnetic flux.

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Knowledge Check

  • 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]`

  • What is the dimensional formula for magnetic flux?

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

  • Dimensional formula of magentic flux is

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

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