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A short bar magnet passes at a steady sp...

A short bar magnet passes at a steady speed right through a'long solenoid. A galvanometer is connected across the solencid. Which graph best represents the variation of the galvanometer deflection with time t?

A

B

C

D

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)
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  2. The physical quantity, which is conserved on the basis of Lenz's Law i...

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  3. A short bar magnet passes at a steady speed right through a'long solen...

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  4. A metallic ring with a small cut is held horizontally and a magnet is ...

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  5. A bar magnet is made to fall through a long vertica! copper tube. The ...

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  6. A loop of Irregular shape made of flexible conducting wire carrying cl...

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  7. A loop of irregular shape of conducting wire PORS (as shown in figure)...

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  8. When a conducting wire XY is moved towards the right, a current flows ...

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  9. A copper rod of length l is rotated about one end perpendicular to the...

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  10. A coil of cross-sectional area A having n turns is placed in uniform m...

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  11. A flat coil of 500 turns each of area 50 cm^(2) rotates in a uniform m...

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  12. Eddy current are produce when

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  14. A simple electric motor has an armature resistance of 1Omega and runs ...

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  15. Which of the following is possible application of an RC circuit?

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  16. The current passing through a choke coil of 5 henry is decreasing at t...

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  17. When the number of turns in a coil is doubled without any change in th...

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  18. A coil of resistance 10 W and an inductance 5H is connected to a 10...

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  19. (a) Obtain the expression for the magnetic energy stored in a solenoid...

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  20. An inductor is connected to a direct voltage source through a switch. ...

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