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Electric Circuits

Electric Circuits
One ampere hour charge is equivalent to

 360 coulombs.
 36000 coulombs.
 36 coulombs.
 3600 coulombs.

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

  40 Ω.
 4 Ω.
 800 Ω.
 400 Ω.

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Electric Circuits
The capacitance of a parallel plate capacitor can be varied by

All of these
 changing the overlapping area of the plates only.
 changing the distance between the plates only.
 changing the dielectric medium only.

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Electric Circuits
When water is added to sulphuric acid

  acid particles get separated.
  lot of heat is generated.
  colour of acid changes.
  water start boiling.

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Electric Circuits
What is a resistor?

 Hello
 Test
 Inductor
 Capacitor

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Electric Circuits
Find the total power absorbed by the resistor in the given circuit.

 30 W.
 12 W.
  6 W.
 24 W.

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MORE MCQ ON Electric Circuits

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