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Electric Circuits

Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 unity
 zero
 low
 high

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Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 current.
 power.
 resistance.
 voltage.

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Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 6 A.
 10 A.
 4 A.
 5 A.

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Electric Circuits
In direct arc furnace which of following is of high value?

 Voltage.
 Power factor.
 All of above.
 Current.

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Electric Circuits
Capacitor does not allow the sudden change of

 voltage
 current
None of these
 power

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Electric Circuits
Which of the following is the heaviest?

 Proton.
 Atom.
 Electron.
 Molecule.

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MORE MCQ ON Electric Circuits

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