Answer:
The electric field between the plates is 1875 V/m.
Explanation:
Given that,
Separated d=1.6 cm
Potential of negative plate = 0 V
Potential halfway between the plates = 15 V
We need to calculate the total potential
Using formula of potential
Put the value into the formula
We need to calculate the electric field between the plates
Using formula of electric field
Direction is negative as the field always points from positive to negative plate
Hence, The electric field between the plates is 1875 V/m.