Electrostatics

class="read-more-container">Detailed SolutionA capacitor consists of two

54. at a point is equal to the negative potential gradient at that point.

Electric intensity
Electric flux
Magnetic flux
Magnetic flux density

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that point." class="read-more button" href="https://exam.pscnotes.com/mcq/at-a-point-is-equal-to-the-negative-potential-gradient-at-that-point/#more-50657">Detailed Solutionat a point is equal to the negative potential gradient at that point.

55. A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 103 N, is known as

milli-coulomb
micro-coulomb
pico-coulomb
coulomb

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with a force of 9 x 103 N, is known as" class="read-more button" href="https://exam.pscnotes.com/mcq/a-charge-which-when-placed-in-vacuum-from-an-equal-and-similar-charge-repels-with-a-force-of-9-x-103-n-is-known-as/#more-50510">Detailed SolutionA charge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 103 N, is known as

56. A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is

50 joules
150 joules
200 joules
250 joules

Detailed SolutionA capacitor having capacitance of 5 uF is charged to a potential difference

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of 10,000 V. The energy stored in the capacitor is

57. A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is

100 kV/m
10 kV/m
5 kV/m
2 kV/m

Detailed SolutionA potential of

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288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube
400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is

58. The minimum value of potential gradient in a cable occurs in

insulation
conductor
outer sheath
uniformly all over

Detailed

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41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube
SolutionThe minimum value of potential gradient in a cable occurs in

59. The breakdown voltage for paper capacitors is usually

20 to 60 volts
200 to 1600 volts
2000 to 3000 volts
more than 10000 volts

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voltage for paper capacitors is usually" class="read-more button" href="https://exam.pscnotes.com/mcq/the-breakdown-voltage-for-paper-capacitors-is-usually/#more-50146">Detailed SolutionThe breakdown voltage for paper capacitors is usually

60. A paper capacitor is usually available in the form of

tubes
rolled foil
disc
meshed plates

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213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/a-paper-capacitor-is-usually-available-in-the-form-of/#more-49900">Detailed SolutionA paper capacitor is usually available in the form of

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