Current Electricity Charging Discharging Of Capacitors Question 293
Question: If the ammeter in the given circuit reads 2 A, the resistance R is
[Orissa JEE 2003]
Options:
A) 1 ohm
B) 2 ohm
C) 3 ohm
D) 4 ohm
Show Answer
Answer:
Correct Answer: A
Solution:
$ i=\frac{V}{R}\Rightarrow ,2=\frac{6}{\frac{6\times 3}{6+3}+R}=\frac{6}{2+R} $
Therefore $ R=1\Omega $ .