Two point charges are separated by 0.050 m in air

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Two point charges are separated by 0.050 m in air. Charge 1 has a value of

+3.0\,\mu\text{C}

and Charge 2 has a value of

-4.0\,\mu\text{C}

. Calculate the magnitude of the electrostatic force that each charge exerts on the other. (a)

11\,\text{N}

(b)

2.2\,\text{N}

(c)

43\,\text{N}

(d)

4.3\times10^{3}\,\text{N}