Assertion(A): In bringing an electron towards a proton electrostatic potential energy of the system increases
Reason (R ) :Potential due to proton is positive.

Options

A. Both `(A)` and `(R )` are true and `'R'` is the correct explanation of `A`.
B. Both `A` and `R` are true and `R` is not the correct explanation of `A`
C. `A` is true and `R` is false
D. `A` is false and `R` is true.

Answer

4