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Electric Circuits

Electric Circuits
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 1.
 2.
 4.
 Not possible.

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Electric Circuits
Capacitor does not allow the sudden change of

 voltage
None of these
 power
 current

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Electric Circuits
A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t}

 11 W.
 24.5 W.
 21 W.
 1 W.

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Electric Circuits
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source

 2 A with 50 Ω in parallel.
 2 A with 50 Ω in series.
 0.5 A in parallel with 50 Ω.
 none of these.

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Electric Circuits
Which variety of copper has the best mechanical strength ?

  Hard drawn copper.
  Soft copper.
  Annealed copper.
  Cast copper.

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Electric Circuits
Highest current density is usually recommended for

  cadmium plating.
  bronze plating.
  chromium plating.
  tin plating.

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MORE MCQ ON Electric Circuits

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