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In the circuit of figure , the bulb wil...

In the circuit of figure , the bulb will be become suddenly bright , if

A

Contact is made or broken

B

Contact is made

C

Contact is broken

D

Would not become bright at all

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
  1. If a coil of 40 turns and area 4.0 cm^(2) is suddenly remove from a m...

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  2. The core of a transformer is laminated so that :

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  3. In the circuit of figure , the bulb will be become suddenly bright , ...

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  4. A conducting square loop of side l and resistance R moves in its plane...

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  5. The coefficient of mutual inductance of two coils depends on

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  6. A magnetic flux of 500 microweber passing through a 200 turn coil is r...

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  7. A coil of area 0.1m^(2) has 500 tums. After placing the coil in a magn...

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  8. Two circular coils have their centres at the same point. The mutual in...

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  9. When a battery is connected across a series combination of self-induct...

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  10. The variation of induced emf (epsilon ) with time (t) in a coil if a s...

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  11. In a uniform magnetic field B a wire in the form of a semicircle of ra...

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  12. A metal conductor of length 1 m rotates vertically about one of its en...

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  13. A copper disc of the radius 0.1 m is rotated about its centre with 20 ...

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  14. Two coils of self-inductance 2 mH and 8 mH are placed, so close togeth...

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  15. As a result of change in the magnetic flux linked to the closed loop s...

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  16. An inductor (L = 100 mH), a resistor (R = 100Omega) and a battery (E =...

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  17. The equivalent quantity of mass in electricity is

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  18. In the circuit shown in figure, power generated in

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  19. Dimensional formula of self-inductance is

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  20. A time varying magnetic flux passing through a coil is given by phi=xt...

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