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

C.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

EXPLORE & PRACTISE

Paper and topic context

See where this question comes from and choose what to practise next.

2020PH

GATE PH 2020 · Paper 1

Physics · Original paper archive

Section
Physics
Question type
Numerical answer (NAT)
Marks
1 mark

Practise related topics

Explore more previous year questions using this question’s imported topic tags.

physics

GATE PH previous year questions

physical sciences

GATE PH previous year questions

applied physics

GATE PH previous year questions

electromagnetic theory

GATE PH previous year questions

Comments

Ask a question, share your approach, or help someone understand.

Log in to view the discussion

You’re not logged in. Log in or create an account to see discussions and add comments.