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) When two unequal values of resistors are connected in parallel across a dc source, greater current flows through the
A) Higher resistance
B) Lower resistance
C) Higher wattage resistance
D) Lower wattage resistance
Ans:B
2) A real current source has
A) Infinite internal resistance
B) Zero internal resistance
C) Large internal resistance
D) Small internal resistance
Ans:C
3) What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
A) One micron
B) One angstrom
C) One steradian
D) One circular mill
Ans:D
4) Which of the following describes the action of a capacitor?
A) Stores electrical energy
B) Opposes changes in current flow
C) Creates a dc resistance
D) Converts ac to dc
Ans:A
5) High resistance values are a consequence of the ............... of the film.
A) Thickness
B) Length
C) Thin ness
D) Area
Ans:C
6) For parallel capacitors, total charge is
A) The sum of individual charges
B) Equal to the charge of either capacitors
C) Equal to the product of the charges
D) The quotient of the charges
Ans:A
7) Which waveform in which the rms value and the mean value are equal?
A) Square wave
B) Triangular wave
C) Sine wave
D) Sawtooth
Ans:A
8) In a series circuit with unequal resistances the
A) Highest R has the highest V
B) Lowest R has the highest V
C) Lowest R has the highest I
D) Highest R has the highest I
Ans:A
9) In a parallel bank with unequal branch resistances
A) The highest R has the highest I
B) The lowest R has the highest V
C) The lowest R has the highest V
D) The highest R has the highest V
Ans:B
10) A rheostat is a form of
A) Variable resistor
B) Variable capacitor
C) Potentiometer
D) Thermocouple
Ans:A
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A) Higher resistance
B) Lower resistance
C) Higher wattage resistance
D) Lower wattage resistance
Ans:B
2) A real current source has
A) Infinite internal resistance
B) Zero internal resistance
C) Large internal resistance
D) Small internal resistance
Ans:C
3) What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
A) One micron
B) One angstrom
C) One steradian
D) One circular mill
Ans:D
4) Which of the following describes the action of a capacitor?
A) Stores electrical energy
B) Opposes changes in current flow
C) Creates a dc resistance
D) Converts ac to dc
Ans:A
5) High resistance values are a consequence of the ............... of the film.
A) Thickness
B) Length
C) Thin ness
D) Area
Ans:C
6) For parallel capacitors, total charge is
A) The sum of individual charges
B) Equal to the charge of either capacitors
C) Equal to the product of the charges
D) The quotient of the charges
Ans:A
7) Which waveform in which the rms value and the mean value are equal?
A) Square wave
B) Triangular wave
C) Sine wave
D) Sawtooth
Ans:A
8) In a series circuit with unequal resistances the
A) Highest R has the highest V
B) Lowest R has the highest V
C) Lowest R has the highest I
D) Highest R has the highest I
Ans:A
9) In a parallel bank with unequal branch resistances
A) The highest R has the highest I
B) The lowest R has the highest V
C) The lowest R has the highest V
D) The highest R has the highest V
Ans:B
10) A rheostat is a form of
A) Variable resistor
B) Variable capacitor
C) Potentiometer
D) Thermocouple
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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