Question

The intensity of electric field to balance a proton of mass 1.7×10^-27kg and a charge 1.6 ×10^-19 is nearly

Answer 1

Answer: For that the weight of proton needs to be balanced by electric force

So, qE = mg

=> E = mg/q = [1.7 *10^(-27)*10]/[1.6*10^(-19)]

= 1.06* 10^(-7) N/C