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) A neon glow lamp used as a night light ionizes at approximately
A) 70 V
B) 80V
C) 90V
D) 100V
Ans:A
2) What dielectric is generally employed by a variable capacitor?
A) Mica
B) Air
C) Electrolyte
D) Ceramic
Ans:B
3) A switch designed to have low capacitance between its terminal when open.
A) LOCAP switch
B) AntiLOCAP switch
C) Anticapacitance switch
D) Capacitance switch
Ans:C
4) A resistor wound with a wire doubled back on itself to reduce the inductance.
A) Bifilar resistor
B) Wire-wound resistor
C) Anti-inductive resistor
D) Bleeder resistor
Ans:A
5) What fusion of elements is without chemical action between them?
A) Mixture
B) Compound
C) Alloy
D) Ionization
Ans:C
6) In calculating maximum instantaneous power voltage or current is used.
A) Peak
B) Average
C) Rms
D) Instantaneous
Ans:A
7) The area of capacitor plates increases two times, then its capacitance
A) Increases two times
B) Increases four times
C) Decreases two times
D) Decreases four times
Ans:A
8) If the inductance is decreased, the impedance of the circuit containing a resistor a capacitor and an inductor connected in series to an ac source
A) Decreases
B) Increases
C) Decreases or increases
D) Decreases, increases or remains the same
Ans:C
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1) A neon glow lamp used as a night light ionizes at approximately
A) 70 V
B) 80V
C) 90V
D) 100V
Ans:A
2) What dielectric is generally employed by a variable capacitor?
A) Mica
B) Air
C) Electrolyte
D) Ceramic
Ans:B
3) A switch designed to have low capacitance between its terminal when open.
A) LOCAP switch
B) AntiLOCAP switch
C) Anticapacitance switch
D) Capacitance switch
Ans:C
4) A resistor wound with a wire doubled back on itself to reduce the inductance.
A) Bifilar resistor
B) Wire-wound resistor
C) Anti-inductive resistor
D) Bleeder resistor
Ans:A
5) What fusion of elements is without chemical action between them?
A) Mixture
B) Compound
C) Alloy
D) Ionization
Ans:C
6) In calculating maximum instantaneous power voltage or current is used.
A) Peak
B) Average
C) Rms
D) Instantaneous
Ans:A
7) The area of capacitor plates increases two times, then its capacitance
A) Increases two times
B) Increases four times
C) Decreases two times
D) Decreases four times
Ans:A
8) If the inductance is decreased, the impedance of the circuit containing a resistor a capacitor and an inductor connected in series to an ac source
A) Decreases
B) Increases
C) Decreases or increases
D) Decreases, increases or remains the same
Ans:C
9) When the movable plates of a gang capacitor completely overlap the fixed plates, the capacitance of the capacitor is
A) Halfivay between maximum and minimum
B) Maximum
B) Maximum
C) Minimum
D) Zero
Ans:B
Ans:B
10) In a circuit, a passive element is one which
A) Supplies energy
B) Receive energy
B) Receive energy
C) Both supplies and receives energy
D) Attenuates signal
Ans:B
Ans:B
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