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Electric Circuits

Electric Circuits
To apply reciprocity theorem response to excitation ratio is

 No units.
 Either Ohm or Mho.
 Mho.
 Ohm.

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Electric Circuits
Common impurity in battery electrolyte is

 dust.
 iron.
 lead sulfate.
 sodium chloride.

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Electric Circuits
For closer tolerance which of the following capacitors is usually preferred?

 None of them.
 Mica capacitor.
 Paper capacitor.
 Ceramic disc capacitor.

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Electric Circuits
Which of the followings is/are active element?

 Both
 None of these.
 Current source
 Voltage source

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 M / L.
 M.
 2 M.
 M / 2.

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Electric Circuits
VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is

 RYB.
 YRB.
 RBY.
 BRY.

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