Capacitance Quiz | Capacitance Objective Type Questions and Answers

Questions
21 The capacitance C is charged through a resistor R. The time constant of the charging circuit is given by
A RC
B R/C
C C/R
D 1/RC

Answer: RC
22 The capacitance of 1 μF equals
A 10-4 F
B 10-6 F
C 10 -12 F
D 10-8 F

Answer: 10-6 F

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23 The capacitance is a circuit component that oppose the change in circuit
A Voltage
B Current
C Impedance
D None of the above

Answer: Voltage
24 The ohmmeter reading for a short circuited capacitor is
A Zero
B Few megaohms
C Few kilo ohms
D Infinity

Answer: Zero
25 The units of capacitance are
A Coulombs/volt
B Henry/wb
C Volts/coulomb
D Ohms

Answer: Coulombs/volt
26 The capacitance of a capacitor is not affected by
A Thickness of plates
B Distance between plates
C Area of plates
D All of the above

Answer: Thickness of plates
27 Capacitance increases with
A Increase in plate area and decrease in distance between the plates
B Increase in the plate area and distance between the plates
C Decrease in the plate area and value of applied voltage
D Reduction in plate area and distance between the plates

Answer: Increase in plate area and decrease in distance between the plates
28 The inverse of capacitance is called
A Elastance
B Reluctance
C Susceptance
D Conductance

Answer: Elastance
29 The capacitance of a capacitor is influenced by
A Nature of dielectric
B Plate separation
C Plat area
D All of the above

Answer: All of the above
30 Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them
A Two in parallel and third in the series with this combination
B All in parallel
C All in series
D Two in series and third in parallel across this combination

Answer: Two in parallel and third in the series with this combination
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