A car battery gives 3000J of energy to 30 coulombs of charge. What is the e.m.f of the battery ?

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2006-12-15 00:00:17 · 3 answers · asked by cute_turk1989 1 in Science & Mathematics ➔ Physics

Voltage = Joules per Coulomb.

3000J / 30C = 100V

Apparently you have a 100V car battery there.
Congratulations.

2006-12-15 00:06:17 · answer #1 · answered by chopchubes 4 · 0⤊ 0⤋

100v, assuming no losses. Seems rather high for a car battery though!

2006-12-15 00:04:36 · answer #2 · answered by Martin 5 · 0⤊ 0⤋

as above

2006-12-15 04:58:32 · answer #3 · answered by dream theatre 7 · 0⤊ 0⤋