Electrostatics

button" href="https://exam.pscnotes.com/mcq/dielectric-constant-for-mica-is-nearly/#more-47052">Detailed SolutionDielectric constant for mica is nearly

82. 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

Detailed SolutionTwo

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

83. Which of the following capacitors can be used for temperature compensation ?

Air capacitor
Ceramic capacitor
Paper capacitor
None of the above

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href="https://exam.pscnotes.com/mcq/which-of-the-following-capacitors-can-be-used-for-temperature-compensation/#more-47030">Detailed SolutionWhich of the following capacitors can be used for temperature compensation ?

84. capacitors are used in transistor circuits.

Ceramic
Paper
Air
Electrolytic

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button" href="https://exam.pscnotes.com/mcq/capacitors-are-used-in-transistor-circuits/#more-46974">Detailed Solutioncapacitors are used in transistor circuits.

85. A capacitance of 100 uF is connected in series with a resistance of 8000 ohm. The time constant of the circuit is

0.2 s
0.4 s
0.6 s
0.8 s

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class="youtube-icon"> Subscribe on YouTube button" href="https://exam.pscnotes.com/mcq/a-capacitance-of-100-uf-is-connected-in-series-with-a-resistance-of-8000-ohm-the-time-constant-of-the-circuit-is/#more-46894">Detailed SolutionA capacitance of 100 uF is connected in series with a resistance of 8000 ohm. The time constant of the circuit is

86. A capacitance is a circuit component that opposes the change in circuit

current
voltage
impedance
none of the above

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href="https://exam.pscnotes.com/mcq/a-capacitance-is-a-circuit-component-that-opposes-the-change-in-circuit/#more-46834">Detailed SolutionA capacitance is a circuit component that opposes the change in circuit

87. Dielectric strength of mica is

10 to 20 kV/mm
30 to 50 kV/mm
50 to 200 kV/mm
300 to 500 kV/mm

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81.2-142.7 81.2z"/> Subscribe on YouTube strength of mica is" class="read-more button" href="https://exam.pscnotes.com/mcq/dielectric-strength-of-mica-is/#more-46655">Detailed SolutionDielectric strength of mica is

88. A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

5 times smaller than before
5 times greater than before
10 times greater than before
25 times larger than before

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together so that they are now only 10 mm apart, the force between them will be" class="read-more button" href="https://exam.pscnotes.com/mcq/a-positive-and-a-negative-charge-are-initially-50-mm-apart-when-they-are-moved-close-together-so-that-they-are-now-only-10-mm-apart-the-force-between-them-will-be/#more-46486">Detailed SolutionA
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positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

89. An electrolytic capacitor can be used for

D.C. only
A
only B. AC. only C. both
none of the above

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used for" class="read-more button" href="https://exam.pscnotes.com/mcq/an-electrolytic-capacitor-can-be-used-for/#more-46292">Detailed SolutionAn electrolytic capacitor can be used for

90. Capacitance increases with

increase in plate area and decrease in distance between the plates
increase in plate area and distance between the plates
decrease in plate area and value of applied voltage
reduction in plate area and distance between the plates

Detailed SolutionCapacitance increases with

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