Dear Student,I=25mAT= 2hrs = 2×60×60 SecWe know that, Q=ItQ=25×10-3×2×60×60Q= 180CNumber of electrons= Qe=1801 6×10-19=1125×1018Regards

Find time plz

D e a r S t u d e n t, I = 25 m A T = 2 h r s = 2 \times 60 \times 60 S e c W e k n o w t h a t, Q = I t Q = 25 \times 10^{- 3} \times 2 \times 60 \times 60 Q = 180 C N u m b e r o f e l e c t r o n s = \frac{Q}{e} = \frac{180}{1.6 \times 10^{- 19}} = 1125 \times 10^{18} R e g a r d s