A) \[+17\text{ }V{{m}^{-1}}\]
B) \[-17\text{ }V{{m}^{-1}}\]
C) \[+12\text{ }V{{m}^{-1}}\]
D) \[-12\text{ }V{{m}^{-1}}\]
Correct Answer: D
Solution :
Potential \[(V)=3{{x}^{2}}+5\] Intensity of the electric field \[=\frac{dV}{dx}=6x\] \[\therefore \] E at \[x=-2\] \[=6(-2)=-12V/m\]
You need to login to perform this action.
You will be redirected in
3 sec
