The work done (W) by an electric field is given by the formula W = qV, where q is the charge and V is the voltage.
Rearranging the formula gives q = W/V.
Substituting the given values, we get:
q = (2.10 x 10^-7 J) / (32 V)
q = 6.56 x 10^-9 C
Therefore, the charge is 6.56 x 10^-9 C.