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Ohm's Law - Technical MCQs

Q1:

What electromotive force would cause 20 A of current to flow through a 500 omega.gif resistor?

A 0.04 V

B 2.5 V

C 25.0 V

D 10,000 V

ANS:D - 10,000 V

The formula which is describing above of emf is absolutely wrong, the correct one is Emf =V+ir.