Question: (a) Find the electric potential at points a and b for charges of +4.2 nC and -6.4 nC located as shown in the following figure.

(a) Find the electric potential at points a and b for charges of +4.2 nC and "-6.4" nC located as shown in the following figure. (b) What is the potential difference (displacement) V for a trip from b to a? (c) How much work must be done by an external agent to move a point charge of +1.50 nC from b to d?

(a) Find the electric potential at points a and b for charges of +4.5 nC and -5.1 nC located as shown in the gure. (b) What is the potential difference 5' for a trip from a to b ? (c) How much work must be done by an external agent to move a point charge of +1.50 nC from to b ? it) cm 143 cm a 10.0 cm Ab l. 3.0 cm .I

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