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Electric Circuits

Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 7.5 W.
 9/8 W.
 1 W.
 6/8W.

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Electric Circuits
Discrete values represent which type of signal

 Decimal
 Analog
 Discretal
 Digital

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

 4.
  2.
 0.25.
  0.5.

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Electric Circuits
Which of the following is the heaviest?

 Electron.
 Proton.
 Atom.
 Molecule.

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Electric Circuits
If a pure inductor is connected across the ac source, the average power taken by the inductor is

 a few watt.
 zero watt.
 maximum power.
 100 watt.

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 3 Ω.
 1 Ω.
 4 Ω.
 2 Ω.

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MORE MCQ ON Electric Circuits

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