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Electrostatic and Capacitance

Electrostatic and Capacitance
Which is the most superior dielectric out of the following ?

Glass
Bakelite
Air
Paper

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Electrostatic and Capacitance
A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?

Mica capacitor
Both will have identical value of capacitance
Ceramic capacitor
It depends on applied voltage

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Electrostatic and Capacitance
The total deficiency or excess of electrons in a body is known as

Current
Potential gradient
Charge
Voltage

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Electrostatic and Capacitance
A capacitor and a resistor are connected in series to a sine wave generator. The frequency is set so that the capacitive reactance is equal to the resistance and, thus, an equal amount of voltage appears across each component. If the frequency is increased

VR = VC
VR and VC = 0
VR > VC
VC > VR

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Electrostatic and Capacitance
capacitors are used in transistor circuits.

Air
Paper
Electrolytic
Ceramic

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Electrostatic and Capacitance
A 10 µF, 20 µF, 22 µF, and 100 µF capacitor are in parallel. The total capacitance is

152 µF
100 µF
2.43 µF
4.86 µF

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