A pendulum of bob of Mass 80mg and carrying a charge of 2×10−8C is at rest in a uniform horizontal electric field of 20kVm−1 . Find the tension in the string

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

answer is 1.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

At equilibrium Tcosθ=mg and Tsinθ=Eq ∴T2=mg2+Eq2 T=80×10−6×102+20×103×2×10−82 =80×10−8 =8.8×10−4N

Watch 3-min video & get full concept clarity