Current Electricity Charging Discharging Of Capacitors Question 188
Question: A cell of internal resistance $ 1.5,\Omega $ and of e.m.f. 1.5 volt balances 500 cm on a potentiometer wire. If a wire of $ 15,\Omega $ is connected between the balance point and the cell, then the balance point will shift
[MP PMT 1985]
Options:
A) To zero point
B) By 500 mm
C) By 750 mm
D) None of the above
Show Answer
Answer:
Correct Answer: D
Solution:
Balance point has some fixed position on potentiometer wire. It is not affected by the addition of resistance between balance point and cell.
BETA
