Current Electricity Charging Discharging Of Capacitors Question 531
Question: An external resistance R is connected to a battery of e.m.f. V and internal resistance r. The joule heat produced in resistor R is maximum when R is equal to
[MP PET 2001]
Options:
A) r
B) $ \frac{r}{2} $
C) 2r
D) Infinitely large
Show Answer
Answer:
Correct Answer: A
Solution:
For maximum joule heat produced in resistor external resistance = Internal resistance.