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Electric Circuits

Electric Circuits
What is a resistor?

 Test
 Hello
 Capacitor
 Inductor

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Electric Circuits
A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

 144 AT / m.
 222 AT / m.
 72 AT / m.
 196 AT / m.

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Electric Circuits
Super mesh analysis is used in case of

 ideal voltage source is connected between two non reference nodes.
 current source branch is common for two meshes.
 either 1 or 2.
 both.

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Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 minimum.
 VI.
 maximum.
 zero.

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Electric Circuits
When water is added to sulphuric acid

  acid particles get separated.
  water start boiling.
  colour of acid changes.
  lot of heat is generated.

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Electric Circuits
The energy stored by a capacitor is given by

 1/2 QV.
 all of them.
 1/2 CV2.
 Q2 / 2C.

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MORE MCQ ON Electric Circuits

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