Q.

 A non-conducting ring of radius 0.5 m carries a total charge of \large 1.11 \times {10^{ - 10}}C  distributed non-uniformly on its circumference producing an electric field \large \vec E everywhere in space. The value of the line integral \large \int_{l = \infty }^{l = 0} {\, - \overrightarrow E .\overrightarrow {dl} } \,(l = 0  being centre of the ring) in volt is

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

-1

b

-2

c

zero

d

+2

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

\large \int_{l = \infty }^{l = 0} {\, - \overrightarrow E .\overrightarrow {dl} } \,(l = 0=potential at centre of non-conducting ring
\large = \frac{1}{{4\pi {\varepsilon _0}}} \times \frac{q}{r} = \frac{{9 \times {{10}^9} \times 1.11 \times {{10}^{ - 10}}}}{{0.5}} = 2\,volt

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
 A non-conducting ring of radius 0.5 m carries a total charge of   distributed non-uniformly on its circumference producing an electric field  everywhere in space. The value of the line integral   being centre of the ring) in volt is