A charge is fixed at

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

Problem

+2.0\,\mu\text{C}

charge is fixed at

x=0

. A

+3.0\,\mu\text{C}

charge is fixed at

x=0.30\,\text{m}

. What is the electric potential at the point

x=0.15\,\text{m}

on the

x

-axis? (Take

k_{e}=8.99\times10^{9}\,\text{N}\,\text{m}^{2}\!/\text{C}^{2}

.) (a)

6.0\times10^{5}\,\text{V}

(b)

3.0\times10^{5}\,\text{V}

(c)

2.0\times10^{6}\,\text{V}

(d)

1.5\times10^{5}\,\text{V}