Basic Voltage and Current MCQs
1. It takes 50 J of energy to move a 5 C charge from point a to point b, the potential difference between point a and b is:
- 250 V
- 10 V
- 5 V
- 500 V
Ans: 2
2. Cells/batteries are connected in the parallel configuration to increase:
- Current capacity
- Voltage capacity
- Both of these
- None of these
Ans: 1
3. Solar panels provide:
- dc
- ac
Ans: 1
4. 1 pound is equal to:
- 2.224 newtons
- 4.448 newtons
- 8.996 newtons
- 36 newtons
Ans: 2
5. Voltage is measured by using:
- Ammeter
- Voltmeter
- Wattmeter
- None of these
Ans: 2
6. Conventional current flow from the _____ terminal to ______ terminal:
- negative, positive
- negative, negative
- positive, negative
- positive, positive
Ans: 3
7. 240 coulombs of charge pass through a point for 2 minutes, the current is:
- 120 A
- 240 A
- 2 A
- 480 A
Ans: 3
8. tesla is a unit for:
- Magnetic flux
- Magnetic flux density
- Capacitance
- Torque
Ans: 2
9. Practically, the current flowing through a short circuit is:
- Very high
- Infinite
- Very low
- Zero
Ans: 1
10. The equipment which detects the electric current is:
- Rheostat
- Potentiometer
- Galvanometer
- Alternator
Ans: 3