CBSE Ā· English Ā· Class 12 Ā· 12 questions with solutions
Two point charges +q and +4q are separated by a distance r. The ratio of the electrostatic force on +q to that on +4q is:
1:4
4:1
1:1
ā1:16
The SI unit of electric charge is:
Volt
Coulomb
āAmpere
Joule
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