Q.
A charged water drop whose radius is 0.1 μm is in equilibrium in an electric field. If charge on it is equal to charge of an electron, then intensity of electric field will be (g=10 ms−2)
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
1.61 N/C
b
26.2 N/C
c
262 N/C
d
1610 N/C
answer is C.
(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
In balance condition QE=mg=43πr3ρ g⇒E=4×(3.14) (0.1×10−6)3×103×103×1.6×10−19=262 N/C
Watch 3-min video & get full concept clarity