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Electric Circuits

Electric Circuits
Which of the following Y-parameters is dimensionless?

 Y11.
 Y22.
 none of these.
 Y12.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Force
 Power
 Current
 Charge

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Electric Circuits
Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be

 1:1.
 4:1.
 1:8.
 1:2.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Under damping
 Undamping
 Over damping
 Critical damping

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 two in series and third in parallel across this combination.
 all in parallel.
 two in parallel and third in series with this combination.
 all in series.

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Electric Circuits
If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance?

 200 times.
 20 times.
 Nil.
 60 times.

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