A. CIR
B. 1/RC
C. RC
D. RIC
Related Mcqs:
- A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is______________?
A. 0.2 s
B. 0.4 s
C. 0.6 s
D. 0.8 s - 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 - 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 - 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 capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is__________?
A. 50 joules
B. 150 joules
C. 200 joules
D. 250 joules - A capacitance is a circuit component that opposes the change in circuit__________?
A. Current
B. Voltage
C. impedance
D. None of the above - The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as____________?
A. pholoelectric effect
B. chemical effect
C. magnetic effect
D. induction - While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is____________?
A. short-circuited
B. open circuited
C. alright
D. leaky - Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the____________?
A. Voltage across the plates increases
B. voltage across the plates decreases
C. charge on the capacitor decreases
D. charge on the capacitor increases
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