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In order to have a constant current through a wire, the potential...

ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Physics Current Electricity

Question:
In order to have a constant current through a wire, the potential difference across its ends should?

Option A):
Both A & D
Option B):
Be maintained constant
Option C):
Go on decreasing
Option D):
Be zero
Option E):
Goes on increasing

Correct Answer is Option B):
Be maintained constant

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