A. 0.2 s
B. 0.4 s
C. 0.6 s
D. 0.8 s
Related Mcqs:
- What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?
A. 50 pF
B. 100 pF
C. 150 pF
D. 200 pF - The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by__________?
A. CIR
B. 1/RC
C. RC
D. RIC - If three 15 uF capacitors are connected in series, the net capacitance is
A. 5 uF
B. 30 uF
C. 45 uF
D. 50 uF - A capacitance is a circuit component that opposes the change in circuit__________?
A. Current
B. Voltage
C. impedance
D. None of the above - If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because__________________?
A. varying voltage produces the charging and dicharging currents
B. of high peak value
C. charging current can flow
D. discharge current can flow - In the case of a lossy capacitor, its series equivalent resistance value will be_______________?
A. small
B. very small
C. large
D. zero - The time constant and R-C circuit may also be defined as the time during which the charging current falls to ________ percent of its initial maximum value
A. 37
B. 42
C. 63
D. 73 - The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to _________ percent of its value
A. 37, initial
B. 62, initial
C. 62, final
D. 37, final - A capacitor charged to 200 V has 2000 (iC of charge. The value of capacitance will be_____________?
A. 10 F
B. 10 uF
C. 100 nF
D. 1000 uF - A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance _______?
A. Ceramic capacitor
B. Mica capacitor
C. Both will have identical value of capacitance
D. It depends on applied voltage