Points X and Y are situated at a certain distance from each other. The potential at these points are 24 V and 14 V respectively.
What is the energy required to move a charge of 2 C from point X to point Y ?

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Solution

Dear student,
$W o r k d o n e r e q u i r e d t o m o v e t h e c h a r g e = p o t e n t i a l e n e r g y r e q u i r e d | p o t e n t i a l d i f f e r e n c e | b e t w e e n p o i n t Y a n d X = | V_{Y} - V_{X} | = | 14 - 24 | = 10 v o l t {a s p o t e n t i a l d i f f e r e n c e i s a s c a l a r q u a n t i t y w e c a n c o n s i d e r o n l y t h e m a g n i t u d e o f i t} W o r k d o n e = c h a r g e \times p o t e n t i a l d i f f e r e n c e = 2 \times 10 = 20 J o u l e h e n c e p o t e n t i a l e n e r g y r e q u i r e d t o m o v e a c h a r g e o f 2 C f r o m p o i n t X t o p o i n t Y = 20 J o u l e$

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Points X and Y are situated at a certain distance from each other. The potential at these points are 24 V and 14 V respectively. What is the energy required to move a charge of 2 C from point X to point Y ?

Points X and Y are situated at a certain distance from each other. The potential at these points are 24 V and 14 V respectively.
What is the energy required to move a charge of 2 C from point X to point Y ?