The potential at a point is 20 V. The work done in bringing a charge of 2 C from infinity to this point will be

a
10 J

b
40 J

c
5 J

d
20 J

Question

The potential at a point is 20 V. The work done in bringing a charge of 2 C from infinity to this point will be

a	
     10 J

b	
     40 J

c	
     5 J

d	
     20 J

anonymous · Answer

http://www.tutorvista.com/content/physics/physics-iv/electrostatic-potential-capacitance/potential-energy-system-charges.php

anonymous · Answer

40j

anonymous · Answer

W=20*2=40J

anonymous · Answer

Question:   The potential at a point is 20 V. The work done to bring a charge of 0.5 C from infinity to this point will be ________.

1.	20 J
2.	10 J
3.	5 J
4.	40 J
Answer:    2


Question:   Joule / Coulomb is same as ______________.

1.	watt
2.	volt
3.	ampere
4.	ohm
Answer:    2