Current Electricity Charging Discharging Of Capacitors Question 603
Question: To get the maximum current from a parallel combination of n identical cells each of internal resistance r in an external resistance R, when
[DPMT 1999]
Options:
A) $ R»r $
B) $ R«r $
C) $ R=r $
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Cells are joined in parallel when internal resistance is lower than an external resistance. (R »r) $ i=\frac{E}{R+\frac{r}{n}} $
BETA
