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Electric Circuits

Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 1 A.
 0.637 A.
 0.5 A.
 0.318 A.

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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.

 greater than
 both a and c
 less than
 equals to

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Electric Circuits
Which cell has the reversible chemical reaction?

 Mercury oxide.
 Lead acid.
 Silver oxide.
 Carbon Zinc.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is

 b - N - 1.
 N - 1.
 b - N + 1.
 N.

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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.
 2 V.
 1 V.
 None of these.

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Electric Circuits
The term trickle charge is associated with

 lead acid battery.
 dry cell.
 silver zinc battery.
 nickel iron battery.

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