

MCQOPTIONS
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1. |
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 |
E. | (e) None of these |
Answer» E. (e) None of these | |