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Electric Circuits

Electric Circuits
Atoms with fewer than 4 valence electrons are

 none of these.
 insulator.
 conductor.
 semi-conductor.

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Electric Circuits
Silver coating is provided for

  decorative purpose.
  all of above.
  bearing surfaces.
  protective purpose.

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance.

 0.47 µF.
 6.37 µF.
 1.58 µF.
 2.25 µF.

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Electric Circuits
The linear circuit element is

 resistor.
 capacitor.
 inductor.
 all of above.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 1.5 V.
 3 V.
 5 V.
 15 V.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 300 mA.
 100 mA.
 30 mA.
 3 A.

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