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The…………… of alternating current varies …...

The…………… of alternating current varies …………………….. With time and its………………….is reversed

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The correct Answer is:
magnitude ; continuosly ; direction ; periodically
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PRADEEP-ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT-Exercise
  1. Q factor of resonance is given by

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  2. The power factor of an a.c. circuit is givne by cos phi =

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  3. The…………… of alternating current varies …………………….. With time and its………...

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  4. Ordinary d.c. ammerter and d.c. votmeter, when used in ………………….record…...

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  5. The r.m.s. value or………………………value or ………………….value of a.c. is ……………………...

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  6. 220 V a.c. means…………………… and an a.c. of 1 A means…………………….

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  7. In an a.c. circuit containing R only…………………and…………………are in ………………..ph...

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  8. In an a.c. circuit containing L only, alternating current………………….alter...

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  9. The dimensions of inductvie………………………and ……………….are the same as those o...

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  10. A consdenser ………………….a.c. to pass through but…………………….d.c.

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  11. Ohmic resistance R can reduce ………………..but indcutor L can reduce………………....

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  12. A series resonance circuit is called an ……………..and a……………………is called ...

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  13. A capacitor is 5 mu F is conneted to 20 V supply through a resistance ...

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  14. A coil of resistance 20Omega and inductance 0.5H is switched to DC200V...

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  15. An inductor (L = 20 mH), a resistor (R = 100 Omega) and a battery(vare...

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  16. A capacitor charged to 10 V is being discharged through a resistance R...

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  17. If a circuit having a resistor of 2 xx 10^(6) Omega in series with a c...

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  18. A capacitor of 2 mu F is conneted to 10 V supply through 1 mega ohm re...

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  19. A coil of induction 50 H is connected to a battery of emf 2 V through ...

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  20. A capacitor of 1 muF is placed in series with a resistor of 2 mega-ohm...

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