Question 3

Figure 2.2 shows some equipotential lines distributed in space. A charged object is moved from point A to point B. 30V 40V 30V A B A B A B 10V 20V 30V 40V 50V 10V 20V 50V 10V 20V 40V 50V Fig I Fig II Fig III (i) (ii) (iii) Fig. 2.2

This question refers to a figure in the original PDF.

• (a)The work done in Fig. (i) is the greatest.
• (b)The work done in Fig. (ii) is least.
• (c)The work done is the same in Fig. (i), Fig. (ii) and Fig. (iii).
• (d)The work done in Fig. (iii) is greater than Fig. (ii)but equal to that in Fig. (i).