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2 cards from this section. Quick, good the night before a test.
What is the relationship between AC voltage and current in a resistor?
Think about how they behave over time.
Define RMS voltage.
Consider the practical usage of AC in homes.
What happens to the current in an inductor when AC voltage is applied?
Think about how inductors behave during AC operation.
True or False: Transformers can only increase voltage.
Consider different scenarios of transformers.
Determine the impact of changing the frequency on an RLC circuit's current and power factor.
Analyze how each component's reactance depends on frequency.
Design a transformer to convert 220V to 110V. If it has 200 turns in the primary, how many turns should be in the secondary?
Remember to set up the ratios correctly between voltages and turns.
4 more questions in this section. Enroll free to practise them all.
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