A. 2.5 x 10-8 C
B. 10-5 C
C. 103 C
D. 4 x 103 C
Related Mcqs:
- 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 - A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?
A. 1.1 mV
B. 11.1 mV
C. 111 mV
D. 200 mV - When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will______________?
A. remain uncharged
B. decrease
C. increase
D. become zero - When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of_____________?
A. 2 joules
B. 4 joules
C. 6 joules
D. 8 joules - 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 - capacitor is to have an energy content of 20J it must be placed across a potential difference of________________?
A. 4 volts
B. 9 volts
C. 2 volts
D. 1 vol - A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is___________?
A. 100 kV/m
B. 10 kV/m
C. 5 kV/m
D. 2 kV/m - A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is_____________?
A. 0.024 F
B. 0.12 F
C. 0.6 F
D. 0.8 F - A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is___________?
A. 0.024 F
B. 0.12 F
C. 0.6 F
D. 0.8 F - The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce noise in the amplifier
D. None of the above
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