Question

Question 22:
Three 2 V cells are connected in series and used as a battery in a circuit.
(a) What is the p.d. at the terminals of the battery ?
(b) How many joules of electrical energy does 1 C gain on passing through (i) one cell (ii) all three cells ?

Lakhmir Singh Physics Class 10

Answer 1

Answers for given question are
(a) (2+2+2)V=6V
(b)(i) we know that,
P.D.=W/Q
=> 2=W//1
=> W=2J
(ii) 6=W/1
=> W=6J