Current flows in a circuit when
A. A switch is opened
B. A switch is closed
C. The switch is either open or closed
D. There is no voltage
Answer: Option B
Related Questions on Voltage, Current and Resistance
A. 10.5 C
B. 105 C
C. 3.4 C
D. 34 C
A neutral atom with an atomic number of five has how many electrons?
A. 1
B. 5
C. None
D. Depends on the type of atom
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