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Electric Circuits

Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 10 W.
 1 W.
 5 W.
  64 W.

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Electric Circuits
Capacitors for P.f correction are rated in

 KVA.
 KW.
 KV.
 KVAR.

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Electric Circuits
How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?

 600
 60
 1200
 10

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 0.
 F.
 F εr.
 εr/F.

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Electric Circuits
Disadvantages of constant k type filter

  attenuation does not increase rapidly beyond cut off frequency.
  characteristic impedance unchanged in pass band.
  both A and B.
  none of these.

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Electric Circuits
The resistivity of the conductor depends on

 type of material.
 length of the conductor.
 area of the conductor.
 none of these.

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MORE MCQ ON Electric Circuits

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