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Ohm''s Law

Q1:

How much voltage is needed to produce 2.5 A of current through a 200  resistor?

A 50 V

B 500 V

C 80 V

D 8 V

ANS:B - 500 V

According to ohm's law:

V = IR.
I = 2.5.
R = 200.

V = I*R.

= 2.5*200 = 500.0

V = 500 V.



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