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Electrostatic and Capacitance

Electrostatic and Capacitance
Of the following capacitors, which one has the highest dielectric constant?

Mica
Glass
Air
Paper

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Electrostatic and Capacitance
For making a capacitor, it is better to select a dielectric having

Permittivity same as that of air
High permeability
Permittivity slightly more than that of air
Low permeability

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Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Fixed capacitance
Low capacitance
Variable capacitance
Large value of capacitance

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Electrostatic and Capacitance
Dielectric constant for mica is nearly

200
3 to 8
100
1 to 2

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Electrostatic and Capacitance
A capacitance is a circuit component that opposes the change in circuit

Impedance
Voltage
None of the listed here
Current

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Electrostatic and Capacitance
Dielectric strength ______ with increasing thickness

increases
remains unaltered
decreases
None of these

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