Question

A sphere of diameter 22cm is charged with 157 coulomb of electricity. Find the surface
density of electricity. (Hint: surface density = coulomb. Change/sq. cm.)

Answer 1

Answer:

तुमने पूछा था न कैसा हूँ मैं, कभी भूल न पाओगे ऐसा हूं मैं।”