Question

Which one of the following devices is used to detect electric charge on an object?
A) (a) Seismograph B) (b) Seismometre C) (c) Ritcher scale D) (d) Electroscope

Answer 1

Electroscope is the device used to detect charge on any object.. it also tells potential differnce..

Answer 2

I hope it will correct answer it can be ritcher scsle