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Electric Circuits

Electric Circuits
In series R, L circuit power factor can be defined as

 P/S
All of these
 Vr/V
 R/Z

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Electric Circuits
Kirchhoff’s voltage law is used for

 loop analysis.
 representing a current source.
 finding equivalent resistance.
 nodal analysis.

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Electric Circuits
A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is

 2.4 k Ω.
 7.2 k Ω.
 1.2 k Ω.
 3.6 k Ω.

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Electric Circuits
In foster 1 form 1st element is

 both.
 capacitor.
 inductor.
 none.

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Electric Circuits
A capacitor

 passes DC but blocks AC.
 passes AC but blocks DC.
 passes both AC and DC.
 blocks both AC and DC.

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Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 rise time.
 run time.
 fall time.
 decay time.

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MORE MCQ ON Electric Circuits

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