The electric field in a region is given by 
, where E is in NC−1 and x is in metres. The values of constants are A = 20 SI unit and B = 10 SI unit.
If the potential at x = 1 is V1 and that at x = − 5 is V2, then V1 − V2 is
(a)
180 V
(b)
−520 V
(c)
320 V
(d)
−48 V
The electric field in a region is given by , where E is in NC−1 and x is in metres. The values of constants are A = 20 SI unit and B = 10 SI unit.
If the potential at x = 1 is V1 and that at x = − 5 is V2, then V1 − V2 is
(a)
180 V
(b)
−520 V
(c)
320 V
(d)
−48 V
Question ID - 51173 | SaraNextGen Top Answer
The electric field in a region is given by , where E is in NC−1 and x is in metres. The values of constants are A = 20 SI unit and B = 10 SI unit.
If the potential at x = 1 is V1 and that at x = − 5 is V2, then V1 − V2 is
(a)
180 V
(b)
−520 V
(c)
320 V
(d)
−48 V
|
The electric field in a region is given by If the potential at x = 1 is V1 and that at x = − 5 is V2, then V1 − V2 is |
|||
|
(a) |
180 V |
(b) |
−520 V |
|
(c) |
320 V |
(d) |
−48 V |
1 Answer
127 votes
Answer Key / Explanation : (a) -
dV = 
= −(Ax + B)dx
v1 − v2 = 
= 
= 12A − 6B
= 240 − 60
= 180 V
127 votes
Answer Link
127