Question
The electric potential V is given as a function of distance ( metre ) by V= (5 x^ 2 +10 x-4 ) volt. Question: Value of electric field at x=1 ~m is
The electric potential V is given as a function of distance ( metre ) by V= (5 x^ 2 +10 x-4 ) volt. Question: Value of electric field at x=1 ~m is
D. -20 ~V / m
V =5 x^ 2 +10 x-4 E = - dV dx =-(10 x+10) At x=1 m, E =-20 ~V / m
Related: Physics — Electrostatics · All PYQ Banks