electric field

[logistic_guy]

The electric field between two parallel plates connected to $\displaystyle 45$-$\displaystyle \text{V}$ battery is $\displaystyle 1500 \ \text{V/m}$. How far apart are the plates?

 

[khansaheb]

The electric field between two parallel plates connected to $\displaystyle 45$-$\displaystyle \text{V}$ battery is $\displaystyle 1500 \ \text{V/m}$. How far apart are the plates?

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

READ BEFORE POSTING​

Please share your work/thoughts about this problem

 

[logistic_guy]

The electric field between two parallel plates connected to $\displaystyle 45$-$\displaystyle \text{V}$ battery is $\displaystyle 1500 \ \text{V/m}$. How far apart are the plates?

The relation between electric field and potential is given by:

$\displaystyle E = \frac{V}{r}$

Solving for the distance gives:

$\displaystyle r = \frac{V}{E} = \frac{45}{1500} = 0.03 \ \text{m} = \textcolor{blue}{3 \ \text{cm}}$