Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर
JEE Main & Advanced
Physics
Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर
Question Bank
Graphical Questions
question_answer
In a copper voltameter, mass deposited in 30 second is m gm. If the time-current graph is as shown in figure, ECE of copper is
A) m
B) \[m/2\]
C) 0.1 m
D) 0.6 m
Correct Answer:
B
Solution :
Area = it = 2 Coulomb and \[m=zit\] Þ \[z=\frac{m}{i\,t}=\frac{m}{2}\]