MCQ
In an $A.C$. circuit the current
- AAlways leads the voltage
- BAlways lags behind the voltage
- CIs always in phase with the voltage
- ✓May lead or lag behind or be in phase with the voltage
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Reason: The small resistance increases the combined resistance of the combination.
Statement $1$ : No work is required to be done to move a test charge between any two points on an equipotential surface
Statement $2$ : Electric lines of force at the equipotential surfaces are mutually perpendicular to each other
