Physics-Resistance & Resistivity
NEET Physics Resistance & Resistivity MCQ Question
Type: MCQ-conceptual-Easy-Class 12
Which of the following statements about electric circuits is correct?
A
The total current flowing into a junction equals the total current flowing out.
B
Electric potential changes must always sum to a positive value in a closed loop.
C
Potential difference is independent of the resistance in the circuit.
D
When charges are not continuously replenished, the current will continue indefinitely.
Correct Answer
Option A
Detailed Explanation
The first option is correct as it aligns with the principle that the total current at a junction is conserved, meaning it must equal the total current flowing out. This is elaborated in the context of steady currents where charge accumulation does not occur.
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