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Electrostatic and Capacitance

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

Lossy
Charged
Satisfactory
Short-circuited

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Electrostatic and Capacitance
If three 10 uF capacitors are connected in parallel, the net cararitance is

20 uF
40 uF
15 uF
30 uF

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Electrostatic and Capacitance
A 0.00022 F capacitor equals how many micro-farads?

220 µF
22 µF
2,200 µF
22,200 µF

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Electrostatic and Capacitance
A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is

92 x 105 V/m
62 x 105 V/m
72 x 105 V/m
82 x 105 V/m

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Electrostatic and Capacitance
The number of Faraday tubes of flux passing through a surface in an electric field is called

Electric flux
Electric intensity
Magnetic flux density
Electric flux density

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Electrostatic and Capacitance
Which of the following capacitors is marked for polarity ?

Air
Mica
Electrolytic
Paper

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