Question

Two batteries of emf $4\, V$ and $8\, V$ with internal resistance $1\, \Omega$ and $2\, \Omega$ respectively are connected to an external resistance $R=\, \Omega$ as shown in figure. The current in circuit and the potential difference between $P$ and $Q$ respectively will be

• A. $\frac{1}{2}A,9V$
• B. $\frac{1}{12}A,12V$
• C. $\frac{1}{3}A,3V$
• D. $\frac{1}{6}A,4V$

Answer 1

Answer: (C)

$\frac{1}{3}A,3V$

Answer 2