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Electrostatic and Capacitance

Electrostatic and Capacitance
When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will

None of the listed here
Remains same
Decrease
Increase

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Electrostatic and Capacitance
A dielectric material must be

Semi conductor
Insulator
Resistor
Good conductor

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Electrostatic and Capacitance
Four 0.15 µF capacitors are in parallel. The total capacitance is

0.6 µF
0.30 µF
0.15 µF
0.8 µF

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Electrostatic and Capacitance
The absolute permittivity of free space is given by

8.854 x 10?12 F/m
8.854 x 1(T10 F/m)
8.854 x 1(T9 F/m)
8.854 x KT11 F/m

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Electrostatic and Capacitance
Two 0.68 µF capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is

4.68 Ω
46.8 Ω
23.41 Ω
11.70 Ω

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Electrostatic and Capacitance
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

Short-circuit
Leaky
Alright
Open-circuit

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