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...
1) What is the half-power bandwidth of a parallel resonant circuit which has a resonant frequency of 3.6 MHz and Q of 218?
A) 1.65 kHz
B) 16.5 MHz
C) 16.5 kHz
D) 165 kHz
Ans:C
2) Which one of the following elements serves as a protection against overload?
A) Fuse
B) Switch
C) Resistor
D) Relay
Ans:A
3) Transient period is considered over after
A) 5 𝜏
B) 1 𝜏
C) 100 𝜏
D) 6 𝜏
Ans:A
4) What rating of a resistor determines its ability to absorb heat?
A) Wattage
B) Ohmic
C) Current
D) Voltage
Ans:A
5) An open inductor has
A) Zero resistance and infinite inductance
B) Infinite resistance and infinite inductance
C) Infinite resistance and zero inductance
D) Zero resistance and zero inductance
Ans:C
6)) What is the reading of an ohmmeter for a shorted capacitor?
A) zero
B) Infinity
C) k Ω
D) M Ω
Ans:A
7) What capacitance exists not through design but simply because two conducting surfaces are relatively close to each other?
A) Surge
B) Stray
C) Natural
D) Normal
Ans:B
8) The average value of a triangular or sawtooth Wave is times its peak value.
A) 0.577
B) 0.500
C) 0.318
D) 0.637
Ans:B
9) A series RLC circuit consists ofa 10 Q resistor in series With L = 10 pH, and C = 100 uF. Determine a new value of I, for which the resonant frequency is one —half the original value.
A) 40 µH
B) 40 mH
C) 40 pH
D) 40 nH
Ans:A
10) What is the peak factor of a triangular wave?
A) 1.16
B) 1.73
C) 1.41
D) 1.11
Ans:B
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1) What is the half-power bandwidth of a parallel resonant circuit which has a resonant frequency of 3.6 MHz and Q of 218?
A) 1.65 kHz
B) 16.5 MHz
C) 16.5 kHz
D) 165 kHz
Ans:C
2) Which one of the following elements serves as a protection against overload?
A) Fuse
B) Switch
C) Resistor
D) Relay
Ans:A
3) Transient period is considered over after
A) 5 𝜏
B) 1 𝜏
C) 100 𝜏
D) 6 𝜏
Ans:A
4) What rating of a resistor determines its ability to absorb heat?
A) Wattage
B) Ohmic
C) Current
D) Voltage
Ans:A
5) An open inductor has
A) Zero resistance and infinite inductance
B) Infinite resistance and infinite inductance
C) Infinite resistance and zero inductance
D) Zero resistance and zero inductance
Ans:C
6)) What is the reading of an ohmmeter for a shorted capacitor?
A) zero
B) Infinity
C) k Ω
D) M Ω
Ans:A
7) What capacitance exists not through design but simply because two conducting surfaces are relatively close to each other?
A) Surge
B) Stray
C) Natural
D) Normal
Ans:B
8) The average value of a triangular or sawtooth Wave is times its peak value.
A) 0.577
B) 0.500
C) 0.318
D) 0.637
Ans:B
9) A series RLC circuit consists ofa 10 Q resistor in series With L = 10 pH, and C = 100 uF. Determine a new value of I, for which the resonant frequency is one —half the original value.
A) 40 µH
B) 40 mH
C) 40 pH
D) 40 nH
Ans:A
10) What is the peak factor of a triangular wave?
A) 1.16
B) 1.73
C) 1.41
D) 1.11
Ans:B
If you like my post please share it with your friends and subscribe to latest updates.. If you have doubts you can start new topic on forum and start discussion with our readers..
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