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) If two resistances of 9 Q and 6 Q are connected in parallel, the total resistance is
A) 54 Ω
B) 0.3 Ω
C) 15 Ω
D) 3.6 Ω
Ans:A
2) Refers specifically to steady state values of quantities in ac circuits which are complex numbers.
A) Domain
B) Scalar quantity
C) Vector quantity
D) Phasor quantity
Ans:D
3) A capacitor is used to
A) Block dc current
B) Pass dc current
C) Open voltage source
D) Short the voltage source
Ans:A
4) The usual load of a dc circuit is a/an
A) Resistor
B) Capacitor
C) Inductor
D) Both inductor and capacitor
Ans:A
5) The second strip of an electronic resistor color-code represents
A) The multiplier
B) The second digit of the value
C) The temperature
D) The tolerance
Ans:B
6) Which of the following is a preferred resistor value?
A) 520
B) 47
C) 43,000
D) 54,321
Ans:B
7) A three-by-three, series-parallel matrix of resistors, all having the same ohmic value, would have a net resistance of
A) One-third the value of a single resistor
B) Three times the value of a single resistor
C) the same value as a single resistor
D) Nine times the value of a single resistor
Ans:C
8) In an ac wave, 30 degrees of phase is ............... of a cycle.
A) 1/2
B) 1/12
C) 1/3
D) 1/30
Ans:B
9) What is the value of a carbon composition resistor with the following color code:Brown, white, orange, red
A) 190 Ω; 10 %
B) 19 kΩ; 2 %
C) 19 kΩ; 20 %
D) 1.9 kΩ; 2 %
Ans:B
10) The electric field strength between capacitor plates has a unit of
A) Volts per meter
B) Volts per mil
C) Amperes per meter
D) Amperes per mil
Ans:A
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1) If two resistances of 9 Q and 6 Q are connected in parallel, the total resistance is
A) 54 Ω
B) 0.3 Ω
C) 15 Ω
D) 3.6 Ω
Ans:A
2) Refers specifically to steady state values of quantities in ac circuits which are complex numbers.
A) Domain
B) Scalar quantity
C) Vector quantity
D) Phasor quantity
Ans:D
3) A capacitor is used to
A) Block dc current
B) Pass dc current
C) Open voltage source
D) Short the voltage source
Ans:A
4) The usual load of a dc circuit is a/an
A) Resistor
B) Capacitor
C) Inductor
D) Both inductor and capacitor
Ans:A
5) The second strip of an electronic resistor color-code represents
A) The multiplier
B) The second digit of the value
C) The temperature
D) The tolerance
Ans:B
6) Which of the following is a preferred resistor value?
A) 520
B) 47
C) 43,000
D) 54,321
Ans:B
7) A three-by-three, series-parallel matrix of resistors, all having the same ohmic value, would have a net resistance of
A) One-third the value of a single resistor
B) Three times the value of a single resistor
C) the same value as a single resistor
D) Nine times the value of a single resistor
Ans:C
8) In an ac wave, 30 degrees of phase is ............... of a cycle.
A) 1/2
B) 1/12
C) 1/3
D) 1/30
Ans:B
9) What is the value of a carbon composition resistor with the following color code:Brown, white, orange, red
A) 190 Ω; 10 %
B) 19 kΩ; 2 %
C) 19 kΩ; 20 %
D) 1.9 kΩ; 2 %
Ans:B
10) The electric field strength between capacitor plates has a unit of
A) Volts per meter
B) Volts per mil
C) Amperes per meter
D) Amperes per mil
Ans:A
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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