It requires of work to move a positive test charge from point to point

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

Problem

It requires

4.5\,\text{mJ}

of work to move a

5\,\text{mC}

positive test charge from point

X

to point

Y

. Calculate the potential difference

V_Y-V_X

. (a)

1.8\,\text{V}

(b)

-0.9\,\text{V}

(c)

0.9\,\text{V}

(d)

900\,\text{V}