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ELECTROSTATIC AND CAPACITANCE

Electrostatic and Capacitance
If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because

discharge current can flow
of high peak value
charging current can flow
varying voltage produces the charging and dicharging currents

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Electrostatic and Capacitance
The relative permittivity has the following units

m/F
Wb/m
no units
F/m

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Electrostatic and Capacitance
If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is

Short-circuited
Satisfactory
Lossy
Charged

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Electrostatic and Capacitance
The ability of charged bodies to exert force on 6ne another is attributed to the existence of

electrons
protons
electric field
neutrons

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Electrostatic and Capacitance
For closer tolerances which of the following capacitors is usually preferred ?

None of these
Mica capacitor
Paper capacitor
Ceramic disc capacitor

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