Paper capacitors usually have a tolerance of
Q. Paper capacitors usually have a tolerance of ± 5% ± 10% ± 15% ± 20% Answer: ± 10%
Electrostatics MCQs
Which of the following capacitors will have the least value of breakdown voltage ?
Q. Which of the following capacitors will have the least value of breakdown voltage ? Mica Paper Ceramic Electrolytic Answer: Electrolytic
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The value of dielectric constant for vacuum is taken as
Q. The value of dielectric constant for vacuum is taken as zero 1 4 10 Answer: 1
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Which of the following capacitors is marked for polarity ?
Q. Which of the following capacitors is marked for polarity ? Air Paper Mica Electrolytic Answer: Electrolytic
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Which capacitor will be physically smaller for the same ratings ?
Q. Which capacitor will be physically smaller for the same ratings ? Ceramic capacitor Paper capacitor Both will be of equal size None of the above Answer: Ceramic capacitor
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Dielectric constant for mica is nearly
Q. Dielectric constant for mica is nearly 200 100 3 to 8 1 to 2 Answer: 3 to 8
The breakdown voltage for paper capacitors is usually
Q. The breakdown voltage for paper capacitors is usually 20 to 60 volts 200 to 1600 volts 2000 to 3000 volts more than 10000 volts Answer: 20 to 60 volts
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Which of the following material has least value of dielectric constant ?
Q. Which of the following material has least value of dielectric constant ? Ceramics Oil Glass Paper Answer: Oil
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Which of the following capacitors can be used for temperature compensation ?
Q. Which of the following capacitors can be used for temperature compensation ? Air capacitor Ceramic capacitor Paper capacitor None of the above Answer: Ceramic capacitor
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While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
Q. While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is short-circuited open circuited alright leaky Answer: leaky