Practice Electricity And Magnetism (8) - Electricity and Magnetism

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11 questions

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6 sample questions

Question 1.
What is electric current?
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Think about what happens when a battery is connected to a light bulb.
Question 2.
What does potential difference measure?
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Consider the energy needed to move a charge between two points.
3Question 3.
What is electric current?
- A measure of energy
- Flow of electric charge
- Magnetic force
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Think about how electricity powers devices.
4Question 4.
Ohm's Law relates which three quantities?
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Recall the formula connecting the three terms.
Question 5.
You have three resistors in a series circuit: 5Ω, 10Ω, and 15Ω. Calculate the total current if the voltage supplied is 60V.
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Remember to find the total resistance before calculating current.
Question 6.
In a parallel circuit, you have two resistors: 4Ω and 6Ω. What is the total resistance?
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Use the reciprocal formula for parallel resistances.

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