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Find the current in a conductor with resistance 2 ohm, electric field 2 units and distance 100cm.(a) 1A(b) 10mA(c) 10A(d) 100mAThe question was asked in final exam.I need to ask this question from Real Time Applications topic in portion Electrostatic Fields of Electromagnetic Theory

Answer»

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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