The self inductance L of a solenoid of length l and area of cross-section A , with a fixed number of turns N increases as

It does not affected by l and A .

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 87

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IMPORTANT

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The unit of magnetic flux is

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Important Questions on Electromagnetic Induction

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IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 88

The dimensions of magnetic flux are:

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 89

The magnetic flux linked with a vector area

\vec{A}

in a uniform magnetic field

\vec{B}

is

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 90

A coil and a bulb are connected in series with a

DC

source, a soft iron core is, then inserted in the coil, then

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 91

The unit of inductance is:

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IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 5 - Electromagnetic Induction>Objective Problems [ Level 1 ]>Q 93

An inductor $L$ , a resistance $R$ and two identical bulbs, $B_{1}$ and $B_{2}$ are connected to a battery through a switch $S$ as shown in the figure. Which of the following statements gives the correct description of the happenings, when the switch $S$ is closed?

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