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Electrostatic and Capacitance

Electrostatic and Capacitance
A paper capacitor is usually available in the form of

Disc
Rolled Foil
None of the listed here
Tubes

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Electrostatic and Capacitance
To prevent the generation of static charges on rubber or flat leather

Oil compound dressing is done
Talcum powder is sprayed on the surface
Surface is moistened
Conductive dressing is done

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Electrostatic and Capacitance
A condenser suitable for D.C. only is

Poled aluminium electrolytic condenser
Metallic plate variable gang condenser
Oil impregnated paper condenser
Metallic paper capacitor

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Electrostatic and Capacitance
A gang condenser is a

Variable Capacitance
None of the listed here
Polarised capacitor
Ceramic capacitor

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Electrostatic and Capacitance
Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the

Voltage across the plates increases
Charge on the capacitor increases
Voltage across the plates decreases
Charge on the capacitor decreases

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Electrostatic and Capacitance
Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is

0.56 x 1015 m/s2
1.5 x 1015 m/s2
1.6 x 1015 m/s2
1.76 x 1015 m/s2

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MORE MCQ ON Electrostatic and Capacitance

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