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Electric Circuits

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

 Power
 Force
 Current
 Charge

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 None of these.
 L = 0.0132 mH, C = 0.0132 μF.
 L = 3.316 mH, C = 0.0132 μF.
 L = 3.316 mH, C = 132 μF.

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Electric Circuits
A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of

 copper increases and germanium decreases.
 each of them decreases.
 copper decreases and germanium increases.
 each of them increases.

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Electric Circuits
Among the options which metal has the highest electrical conductivity?

 Stranded aluminium.
 Steel.
 Copper.
 Aluminium.

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Electric Circuits
A two port network is defined by the relation The value of Z12 is

 -3.
 3/41.
 3.
 2/31.

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Electric Circuits
200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

 200 Ω.
 1 Ω.
 4 kΩ.
 400 Ω.

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