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Which of the following is possible appli...

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

A

Windshield wipers

B

Flashing red lights on roadway construction sites

C

Heart pacemakers

D

All of these

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)
  1. A loop of irregular shape of conducting wire PORS (as shown in figure)...

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

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

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

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

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  6. Eddy current are produce when

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  7. A motor starter

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

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

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

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

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

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

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

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  15. A long solenoid has self inductance. L. If its length is doubled keepi...

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  16. If L and R denote inductance and resistance , respectively , then the ...

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  17. A solenoid of 2000 turns is wound over a length of 0.3 m. The area aof...

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  18. With the decrease of current in the primary coil from 2 amperes to zer...

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  19. Two coaxial coils are very close to each other and their mutual induct...

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  20. The coefficients of self induction of two inductance coil are 0.01 H a...

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