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Electric Circuits

Electric Circuits
Active materials of a lead acid cell are

 spongy lead.
 lead peroxide.
 all of above.
 dilute H2SO4.

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Electric Circuits
The laplace transform of the fuction f(t) = t is

 1/s2.
 s2.
 s.
 1/s.

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Electric Circuits
Flux in a magnetic circuit can be compared in an electric circuit to

 current.
 inductance.
 resistance.
 voltage.

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Electric Circuits
Internal resistance of ideal current source is

 100 ohms
 zero
 finite
 infinite

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Electric Circuits
For finding the Z11 parameter at the input port of a two port network

 output port is open circuited.
 output port is short circuited.
 input port is short circuited.
 input port is open circuited.

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Electric Circuits
Efficiency of electrical machines should be calculated by measuring

 losses and output.
 losses and input.
 losses.
 output and input.

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MORE MCQ ON Electric Circuits

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