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
Heating Effect of Current
question_answer
A 10 V storage battery of negligible internal resistance is connected across a \[50\,\Omega \] resistor. How much heat energy is produced in the resistor in 1 hour [Pb. PET 2001]
A) 7200 J
B) 6200 J
C) 5200 J
D) 4200 J
Correct Answer:
A
Solution :
Energy \[=\frac{{{V}^{2}}}{R}\times t=\frac{10\times 10}{50}\times 3600=7200\,J\]