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) For multi-plate capacitor, capacitance is proportional to
A) Number of plates less one(n - 1)
B) Number of plates plus one(n + 1)
C) Number of plates less two(n - 2)
D) Number of plates (n)
Ans:A
2) A capacitor consists of two
A) Conductors only
B) Dielectric only
C) Conductors separated by dielectric
D) Dielectric separated by a conductor
Ans:C
3) How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate of 3 A?
A) 2.592 X 10^5 C
B) 2.592 X 10^3 C
C) 2.592 X 10^8 C
D) 2.592 X 10^12 C
Ans:A
4) When frequency of an ac wave decreases, the value of XL in a coil
A) Approaches zero
B) Gets larger positively
C) Gets larger negatively
D) Stays constant
Ans:A
5) The temperature-resistance coefficient of pure gold is
A) 0.0034
B) 0.0037
C) 0.0038
D) 0.0039
Ans:A
6) The capacitor opposes any change in voltage across it by
A) Passing a voltage proportional to the rate of change of current
B) Acting as a short circuit at time equal to zero
C) Passing a current proportional to the rate of change of voltage
D) Acting as a short circuit at time equal to infinity
Ans:C
7) What is the most common non-sinusoidal waveform?
A) Square wave
B) Triangular wave
C) Trapezoidal wave
D) Sawtooth wave
Ans:A
8) Which of the following capacitors is suitable for dc filter circuits?
A) Mica
B) Ceramic
C) Paper
D) Electrolytic
Ans:D
9) A series RL circuit has R of 10 Q and XL of 5 Q, its impedance in rectangular form is given by
A) 10+j5 Ω
B) 10+jl0 Ω
C) 10-j5 Ω
D) 10-jl0 Ω
Ans:A
10) What is the reciprocal of capacitance?
A) Reluctance
B) Susceptance
C) Elastance
D) Conductance
Ans:C
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1) For multi-plate capacitor, capacitance is proportional to
A) Number of plates less one(n - 1)
B) Number of plates plus one(n + 1)
C) Number of plates less two(n - 2)
D) Number of plates (n)
Ans:A
2) A capacitor consists of two
A) Conductors only
B) Dielectric only
C) Conductors separated by dielectric
D) Dielectric separated by a conductor
Ans:C
3) How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate of 3 A?
A) 2.592 X 10^5 C
B) 2.592 X 10^3 C
C) 2.592 X 10^8 C
D) 2.592 X 10^12 C
Ans:A
4) When frequency of an ac wave decreases, the value of XL in a coil
A) Approaches zero
B) Gets larger positively
C) Gets larger negatively
D) Stays constant
Ans:A
5) The temperature-resistance coefficient of pure gold is
A) 0.0034
B) 0.0037
C) 0.0038
D) 0.0039
Ans:A
6) The capacitor opposes any change in voltage across it by
A) Passing a voltage proportional to the rate of change of current
B) Acting as a short circuit at time equal to zero
C) Passing a current proportional to the rate of change of voltage
D) Acting as a short circuit at time equal to infinity
Ans:C
7) What is the most common non-sinusoidal waveform?
A) Square wave
B) Triangular wave
C) Trapezoidal wave
D) Sawtooth wave
Ans:A
8) Which of the following capacitors is suitable for dc filter circuits?
A) Mica
B) Ceramic
C) Paper
D) Electrolytic
Ans:D
9) A series RL circuit has R of 10 Q and XL of 5 Q, its impedance in rectangular form is given by
A) 10+j5 Ω
B) 10+jl0 Ω
C) 10-j5 Ω
D) 10-jl0 Ω
Ans:A
10) What is the reciprocal of capacitance?
A) Reluctance
B) Susceptance
C) Elastance
D) Conductance
Ans:C
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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