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Electrostatic and Capacitance

Electrostatic and Capacitance
Which of the following capacitors will have the least value of breakdown voltage ?

Electrolytic
Air
Mica
Paper

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

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Electrostatic and Capacitance
XC is inversely proportional to frequency and capacitance.

1

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Electrostatic and Capacitance
A unit tube of flux is known as tube

Michale
Farady
Newton
None of the listed here

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Electrostatic and Capacitance
The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be

800 N/C
2000 N/C
1600 N/C
1200 N/C

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Electrostatic and Capacitance
Which of the following expression is correct for electric field strength ?

E = D2/t
None of the listed here
E = jtD
E = D/€

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