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Standard XII

Physics

Analysis of Force Equation

As shown in t...

Question

As shown in the figure, a magnet is moved with a high speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil is $E, I$ and $Q$ respectively. If the speed of the magnet is doubled, the incorrect statement is

E

increases

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I

increases

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Q

remains same

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Q

increases

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Solution

The correct option is D $Q$ increases
Due to the change in magnetic flux, E and I change.
Induced charge doesn’t depend upon the speed of magnet.

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As shown in the figure, a magnet is moved with a fast speed towards a coil at rest. due to this induced e.m.f, induced current and induced charge in the coil is $e$ , $i$ and $q$ respectively .if the speed of the magnet is doubled , the incorrect statement is:

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As shown in the figure, a magnet is moved with a high speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil is E,I and Q respectively. If the speed of the magnet is doubled, the incorrect statement is

The correct option is D Q increasesDue to the change in magnetic flux, E and I change. Induced charge doesn’t depend upon the speed of magnet.

As shown in the figure, a magnet is moved with a high speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil is $E, I$ and $Q$ respectively. If the speed of the magnet is doubled, the incorrect statement is

The correct option is D $Q$ increases
Due to the change in magnetic flux, E and I change.
Induced charge doesn’t depend upon the speed of magnet.