A high-intensity portable lantern is powered by several batteries that are connected in series. The lantern's bulb uses 86 W of power, while the current in the lantern is 3.0 A. Assuming that there is no power loss in the circuit, what is the total voltage of the batteries?

Question

Jessie

Physics

3 April, 05:34

A high-intensity portable lantern is powered by several batteries that are connected in series. The lantern's bulb uses 86 W of power, while the current in the lantern is 3.0 A. Assuming that there is no power loss in the circuit, what is the total voltage of the batteries?

+1

Answers (1)

Know the Answer?

Jimmy Potts · Answer 1

28.6666666667 or 29

Explanation:

the formula for voltage (if power is involved)

V = P/i

86 : 3

28.6666666667

if you want your can round to get a more simple answer

29