Practice Electric Current And Circuits (11.1) - Electricity

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9 questions

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6 sample questions

Question 1.
What is electric current?
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Think about how charges move in wires.
Question 2.
What is the unit of potential difference?
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What unit measures how much energy is needed to move charge?
3Question 3.
What does Ohm's Law state?
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Think of it as V = IR.
4Question 4.
True or False: Resistance increases current.
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Remember how resistance affects flow in a river.
Question 5.
A circuit contains a 9V battery and a resistor of 3Ω. Calculate the current flowing through the circuit.
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Apply Ohm's Law!
Question 6.
If the potential difference in a circuit is doubled while keeping the resistance constant, how does the current change?
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Consider how voltage affects current in Ohm’s Law.

5 more questions in this section. Enroll free to practise them all.