Two point charges of equal magnitude and sign are separated by a distance of 3 m in vacuum. They are repelled with a force of 0.4 N. Determine the magnitude of the charges.

Cevap :

Açıklama:

F= ( k . q²) / ( d² )

0,4 = ( 9×10⁹ . q² ) / (3²)

q= 0,00002