Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a current of 3.0 ampere in A, the flux linked with A is 1.2 x 10 −4 weber and with B it is 9.0 x 10 −5 weber. The mutual induction of the system is:

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Q. Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a current of 3.0 ampere in A, the flux linked with A is 1.2 x

10^{- 4}

weber and with B it is 9.0 x

10^{- 5}

weber. The mutual induction of the system is:

Q. A and B are two coils having 300 and 600 turns respectively, placed near each other, on passing a current of 3 ampere in A, the flux linked with A is 1.2 x

10^{- 4}

Wb and with B it is 9.0 x

10^{- 5}

weber. Find mutual inductance between the coils.

Q. Two coils X and Y are lying in a circuit. The change in current in X is

2

ampere and change in magnetic flux in Y is 0.4 Weber. The coefficient of mutual induction between the coils will be :

A magnetic flux of $8 \times 10^{- 4}$ weber is linked with each turn of a 200 - tunr coil when there is an electric current of 4 A in it. Calculate the self - inductance of the coil.

Q. Two concentric coils each of radius equal to

2 π c m

are placed at right angles to each other.

3

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4

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W e b e r / m^{2}

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μ_{0} = 4 π \times 10^{- 7} W b / A - m

)

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