A car battery gives 3000 Joules of energy to 30 coulombs of charge. What is the emf of the battery?

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2006-12-14 23:30:34 · 3 answers · asked by MJ 2 in Education & Reference ➔ Homework Help

1 Volt = 1 Joule / 1 coulomb

So: 3000 J / 30 C = 100 Volts of EMF (solution!)

2006-12-18 03:19:39 · answer #1 · answered by ³√carthagebrujah 6 · 0⤊ 0⤋

accually 1 volt is 1 joule per coulomb so 100v

2006-12-14 23:37:52 · answer #2 · answered by Anonymous · 0⤊ 0⤋

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

2016-05-24 19:33:50 · answer #3 · answered by ? 4 · 0⤊ 0⤋