Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

A ring of charge with radius 0.5 m has 0.002π m gap. If the ring carries a charge of +1 C, the electric field at the centre is

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

7.5 × 107.NC–1

b

7.2 × 107.NC–1

c

6.2 × 107.NC–1

d

6.5 × 107.NC–1

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

Q2πr=dqdl dq=Q2πr.dl=12π x 0.5=0.02π1=21000 E=14πε0dqr2⇒9 x 109 x 2 x 10-3122E = 7.2 × 107 N/C
Watch 3-min video & get full concept clarity

courses

No courses found

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon