"The current through a conductor is directly proportional to the potential difference between the ends of the conductor, provided that physical conditions remain the same." This is:
Correct answer: B. Ohm's Law
- A. Laplace's Law
- B. Ohm's Law
- C. Coulomb's Law
- D. Charles's Law
- E. Boyle's Law
Explanation
Ohm's Law states that the current through a conductor is directly proportional to the voltage across it and inversely proportional to its resistance.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Current Electricity
Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.
Practise Current Electricity
1,052 free Current Electricity MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physics questions like this
Physics is on 16 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Current Electricity questions
Total potential difference across the combination of three similar cells becomes maximum when:
The internal resistance of a battery is due to which of the following reasons?
Which one of the following is ohmic device?
The measure of energy between any two points on a circuit is:
Resistivity depends on:
The unit of current is: