railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) General Science Physics Current Electricity
According to Ohm’s law:
1
V ∝ I at constant temperature
2
\(\rm V\propto\frac{1}{I}\) at constant pressure
3
V ∝ I at constant position
4
\(\rm V\propto\frac{1}{I}\) at constant temperature