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Electric Circuits

Electric Circuits
Which property is used to oppose the flow of current ?

 Resistance
 Poteintial difference
 Inductance
 Capacitance

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Electric Circuits
If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power

 0 Hz.
 100 Hz.
 150 Hz.
 50 Hz.

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Electric Circuits
Which cell has the reversible chemical reaction?

 Lead acid.
 Carbon Zinc.
 Mercury oxide.
 Silver oxide.

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Electric Circuits
What are the points to be mentioned in specifying main switches?

  None of these.
  Current rating.
  Both A and B.
  Voltage grade.

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Electric Circuits
Kirchhoff’s current law is used for

 finding equivalent resistance.
 loop analysis.
 representing a current source.
 nodal analysis.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 polarization current.
 ionization current.
 electron current.
 proton current.

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MORE MCQ ON Electric Circuits

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