GATE PH · 2020 · PH
Question 24: Electromagnetic Theory
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Question 24
PHNAT1 markNeeds review
A conducting sphere of radius 1 m is placed in air. The maximum number of electrons that can be put on the sphere to avoid electrical breakdown is about
, where
is an integer. The value of
is _____. Assume: Breakdown electric field strength in air is
V/m; Permittivity of free space
F/m; Electron charge
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2020PH
GATE PH 2020 · Paper 1
Physics · Original paper archive
- Section
- Physics
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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