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Questions and Answers
What does a switch do in an electric circuit?
What does a switch do in an electric circuit?
- Reduces the flow of charges in the circuit
- Makes a conducting link between the cell and the bulb (correct)
- Increases the resistance in the circuit
- Causes the electric charge to accumulate in the conductor
What happens if the electric circuit is broken?
What happens if the electric circuit is broken?
- The current stops flowing (correct)
- The resistance in the circuit decreases
- The current increases
- The bulb glows brighter
How is electric current expressed?
How is electric current expressed?
- By the voltage across the circuit
- By the amount of charge flowing through a particular area in unit time (correct)
- By the energy stored in the circuit
- By the resistance in the circuit
What constitutes an electric current in a conductor?
What constitutes an electric current in a conductor?
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What does a continuous and closed path of an electric current constitute?
What does a continuous and closed path of an electric current constitute?
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What is the function of a switch in an electric circuit?
What is the function of a switch in an electric circuit?
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What happens if the electric circuit is broken?
What happens if the electric circuit is broken?
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How is electric current expressed?
How is electric current expressed?
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What constitutes an electric current in a conductor?
What constitutes an electric current in a conductor?
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What does a continuous and closed path of an electric current constitute?
What does a continuous and closed path of an electric current constitute?
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