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Drift Velocity

The current t...

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The current through two inductors of self inductance 12 mH and 30 mH is increasing with time at the same rate. Draw graphs and Compare the energy stored in the coils if power dissipated in the coil is same.

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Q. The coefficients of self induction of two coils are

L_{1} =

L_{2} =

2 mH respectively. The current rises in the two coils at the same rate. The power given to the two coils at any instant is same. The ratio of energies stored in the coils will be :

Q. Two coils have seld inductance

12

3

mH respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both the coils are given the same power. If

I_{1}

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\frac{I_{1}}{I_{2}}

Q. Two different coils have self inductance

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2 m H

. The current in both coils are increased at same constant rate. The ratio of the induced emf's in the coil is :

Q. Two different coils have self inductance

L_{1} = 8 m H, L_{2} = 2 m H

. The current in the second coil is also increased at the same constant rate. The current in the second coil is also increased at the same constant rate. At a certain instant of time, the power given to the two coil is the same. At that time, the current, the induced voltage and the energy stored in the first coil are

i_{1}, V_{1}

W_{1}

respectively. Corresponding values for the second coil at the same instant are

i_{2}, V_{2}

W_{2}

respectively. Then

Q. The coefficients of self induction of two coils are

L_{1} =

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