electrostats

an elliptical cavity is carved within a perfect conductor A positive charge q is placed at the centre of cavity The points A and B are on the cavity surface (a nearer to q) then a)electric field near A in the cavity =electric field near B in the cavity b)charge density at A = charge density at B c)potential at A = potential at B d)total electric field flux through the surface of the cavity is q/eo(here eo means epsilono) Please also explain what is charge density

8 Answers

1
Pavithra Ramamoorthy ·

c) potential at A = potential at B

1
Pavithra Ramamoorthy ·

since its a conductor

potential at A = potential at B

let V1=V2
q1/4pi(epsilon)r1=q2/4pi(epsilon)r2
therefore

sigma1 r1=sigma2 r2

1
Pavithra Ramamoorthy ·

charge density is d charge per unit area in a plane...

1
karan9989 gupta ·

thanks in the given ans d option is also correct Please explain it also

1
Pavithra Ramamoorthy ·

I M NOT SURE ABT IT.....

THE CHARGE IS NOT AT D SURFACE N IT IS IN D CENTRE..

THIS POINT SHLD BE VALID I THINK...

SRRY .. I M STILL NOT SURE ABT IT....

1
greatvishal swami ·

C) and D)

d becoz flux=qin/ε0=q/ε0

1
Pavithra Ramamoorthy ·

OH.. Mmm....... vishal.. jus scold me as u can.... i was thinkin how q/ε0 came lik a mad.... (gauss law)

1
greatvishal swami ·

hehe ram koi ni yaar

sometimes while thinking about big things we r not able to see small things

[4][4]

no scolding but be calm while solving

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