Multiple choice questions on electrical circuits #9

                                   Hi friends, these are some of the multiple choice questions on electrical circuits. These are some of the basic questions which are asked in previous competitive papers check out and comment...

objectives on electrical circuits #9



1) Leakage resistance in a capacitor results into
A) Internal heating
B) Internal bleeding
C) Shorter useful life
D) Short-circuiting

Ans:A

2) Voltage resonance means
A) Series resonance
B) Parallel resonance
C) Current magnification
D) Gain magnification

Ans:A

3) The unit of elastance is
A) Farad
B) Daraf
C) Siemen
D) Henry

Ans:B

4) The farad is not equivalent to which of the following combination of units
A) CV^2
B) C^2/J
C) C/V
D) J/V^2

Ans:A

5) Which component opposes voltage change?
A) Resistor
B) Inductor
C) Capacitor
D) Transistor

Ans:C

6) What is the peak factor for alternating current or voltage varying sinusiodally?
A) 1.4142
B) 0.707
C) 0.636
D) 1.11

Ans:A

7) Which of the following is not a factor affecting dielectric strength?
A) Mass
B) Moisture content
C) Temperature
D) Thickness

Ans:A

8) The superposition theorem is used when the circuit contains
A) Reactive elements
B) Active elements
C) Number of  voltage sources
D. Single voltage source

Ans:C

9) What refers to such Work at very low temperatures, near absolute Zero?
A) Cryogenics
B) Superconductivity
C) Subsonic
D) Thermionic

Ans:A

10) A factor that states how much the resistance changes for a change in temperature?
A) Resistivity
B) Specific resistance
C) Coefficient of temperature change
D) Temperature Coefficient of resistance

Ans:D

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