Potential Difference Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Potential difference across ends of conductor causes loss of

1. mechanical energy
2. electrical energy
3. potential energy
4. gravitational energy

MCQ 2: If a person's skin is wet then the resistance becomes only 1000Ω resistance. How much current would he receive from the battery of 12 V?

1. 2.3 × 10^-2
2. 1.2 × 10^-2
3. 2.9 × 10^-2
4. 3.6 × 10^-2

MCQ 3: SI unit of potential difference is

1. kg
2. Pascal
3. joule
4. volt

MCQ 4: The agency which provides the potential difference for the steady flow of current in the copper wire is the

1. battery
2. voltmeter
3. galvanometer
4. ammeter

MCQ 5: The first practical electric battery, known as the voltaic pile was developed by

1. Newton
2. Luigi Galvano
3. Alessandro Volta
4. Hooke Alexander