Why does the bulb light up in closed circuit?
A.The wire used in the circuit is long.
B. The electricity flows in a complete path.
C. The switch attached in the circuit is close to the
bulb.
D.The source used in the circuit is big and high in
energy.
A.The wire used in the circuit is long.
B. The electricity flows in a complete path.
C. The switch attached in the circuit is close to the
bulb.
D.The source used in the circuit is big and high in
energy.
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Answer:
B. The electricity flows in a complete path