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

Physics

Aisha Schmitt

11 November, 16:44

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?

+5

Answers (1)

Know the Answer?

Elliot Norton · 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