Electrostatics

21. If

varying voltage produces the charging and dicharging currents
of high peak value
discharge current can flow

Detailed SolutionIf

24. The absolute permittivity of free space is given by

8.854 x 10-9 F/m
8.854 x 10-10 F/m
8.854 x 10-11 F/m
8.854 x 10-12 F/m

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is given by" class="read-more button" href="https://exam.pscnotes.com/mcq/the-absolute-permittivity-of-free-space-is-given-by/#more-47873">Detailed SolutionThe absolute permittivity of free space is given by

25. One volt is the same as

one joule/coulomb
one coulomb/joule
one coulomb
one joule

Detailed

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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

SolutionOne volt is the same as

26. Which of the following capacitor is preferred in case of single phase motor ?

Mica capacitor
Paper capacitor
Electrolytic capacitor
Ceramic capacitor

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motor ?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-capacitor-is-preferred-in-case-of-single-phase-motor/#more-47527">Detailed SolutionWhich of the following capacitor is preferred in case of single phase motor ?

27. When the dielectric is homogeneous,the potential gradient is

uniform
non-uniform
zero
any of the above

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class="youtube-subscribe-button"> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/when-the-dielectric-is-homogeneousthe-potential-gradient-is/#more-47425">Detailed SolutionWhen the dielectric is homogeneous,the potential gradient is

28. Dielectric strength of a material depends on

moisture content
temperature
thickness
all of the above

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href="https://exam.pscnotes.com/mcq/dielectric-strength-of-a-material-depends-on/#more-47310">Detailed SolutionDielectric strength of a material depends on

29. 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

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capacitor is" class="read-more button" href="https://exam.pscnotes.com/mcq/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/#more-47273">Detailed SolutionWhile testing a capacitor with ohm meter, if the capacitor shows charging,
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but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is

30. Which medium has the least dielectric strength ?

Paraffin wax
Quartz
Glass
Air

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href="https://exam.pscnotes.com/mcq/which-medium-has-the-least-dielectric-strength/#more-47236">Detailed SolutionWhich medium has the least dielectric strength ?
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