Question

JEE question..
Hi guys
try this out......xD
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Answer 1

Heya!!

Good Night!!

We know Electric field inside a solid sphere having uniform charge density p and radius R is

E = pr / ( 3€°)

E = -dv/dr

E = -d( ar² + b )/dr

E = -2ar

=>

-2ar = pr/ ( 3€° )

=>

p = -6a€°

So, option A correct.

Answer 2

Answer:

An output device is any piece of computer hardware equipment which converts information into human read able form. It can be text, graphics, tactile, audio, and video. Some of the output devices are Visual Display Units (VDU) i.e. a Monitor, Printer graphic Output devices, Plotters, Speakers etc.