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Find the current in a conductor with resistance 2 ohm, electric field 2 units and distance 100cm.

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in Electromagnetic Theory by (188k points)
Find the current in a conductor with resistance 2 ohm, electric field 2 units and distance 100cm.

(a) 1A

(b) 10mA

(c) 10A

(d) 100mA

The question was asked in final exam.

I need to ask this question from Real Time Applications topic in portion Electrostatic Fields of Electromagnetic Theory

1 Answer

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Correct option is (a) 1A

The explanation is: We know that E = V/d. To get potential, V = E X d = 2 X 1 = 2 volts. From Ohm’s law, V = IR and current I = V/R = 2/2 = 1A.

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