Question

A torch bulb rated as 4.5 W, 1.5 V is connected as shown in
fig. The e.m.f. of the cell, needed to make the bulb glow at
full intensity is
(a) 4.5 V (b) 1.5 V
(c) 2.67 V (d) 13.5 V

Answer 1

Answer:

2.67V

Explanation:

hope you like the answer

Answer 2

Answer:

13.5v is the answer