Question

Several light bulbs, each of resistance 1.5 Ω, are connected in a series across a 120 V source of emf. If the current through the circuit is 2 A, how many light bulbs are there in the circuit?

Answer 1

R=V/I=120/2=60 ohms total.

number bulbs= 60/1.5

That is a lot of bulbs.

Answer 2

seat 27