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Electric Circuits

Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 0.5 V.
 1 V.
 None of these.
 2 V.

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Electric Circuits
To find the initial value of a function, the highest power of S in denominator should be ---------- the highest power of S in the numerator.

 both a and c
 less than
 equals to
 greater than

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per volt.
  mg per kW.
  mg per kVA.
  mg per coulomb.

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Electric Circuits
The resistivity of semi-conductors at room temperatures is

 0.01 to 50 ohm - cm.
 109 to 1012 ohm - cm.
 1000 to 1500 ohm - cm.
 1.6 × 106 to 100 × 106 ohm - cm.

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Electric Circuits
Mesh analysis is applicable for

 neither planar and non planar networks..
 non planar networks.
 both planar and non planar networks.
 planar networks.

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Electric Circuits
What is Va in the below circuit?

 (3R + 10) / 3.
 (4R + 10) / 3.
 (6R + 10) / 3.
 (6R - 10) / 3.

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