Basic Voltage and Current MCQ
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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
A. 250 V
B. 10 V
C. 5 V
D. 500 V
Show AnswerB. 10 V
2. Cells/batteries are connected in the parallel configuration to increase:
A. Current capacity
B. Voltage capacity
C. Both of these
D. None of these
Show AnswerA. Current capacity
3. Solar panels provide:
A. DC
B. AC
C. Both of these
D. None of these
Show AnswerA. DC
4. 1 pound is equal to:
A. 2.224 newtons
B. 4.448 newtons
C. 8.996 newtons
D. 36 newtons
Show AnswerB. 4.448 newtons
5. Voltage is measured by using:
A. Ammeter
B. Voltmeter
C. Wattmeter
D. None of these
Show AnswerB. Voltmeter
6. Conventional current flow from the _____ terminal to ______ terminal:
A. negative, positive
B. negative, negative
C. positive, negative
D. positive, positive
Show AnswerC. positive, negative
7. 240 coulombs of charge pass through a point for 2 minutes, the current is:
A. 120 A
B. 240 A
C. 2 A
D. 480 A
Show AnswerC. 2 A
8. Tesla is a unit for:
A. Magnetic flux
B. Magnetic flux density
C. Capacitance
D. Torque
Show AnswerB. Magnetic flux density
9. Practically, the current flowing through a short circuit is:
A. Very high
B. Infinite
C. Very low
D. Zero
Show AnswerA. Very high
10. The equipment which detects the electric current is:
A. Rheostat
B. Potentiometer
C. Galvanometer
D. Alternator
Show AnswerC. Galvanometer