Physics
2020 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PH 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 34–36 of 65. Imported answers require review unless explicitly marked reviewed.
Question 24
Open questionPHNAT1 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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If a particle is moving along a sinusoidal curve, the number of degrees of freedom of the particle is ___.
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Open questionPHMCQ2 marksNeeds review
The product of eigenvalues of
isYour answerChoose one option.
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