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Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
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16.17 | Power in an Alternating Circuit. Transformers |
1) The values shown by a multimeter connected to an AC circuit are 6A and 200 V respectively. What is the maximum power of the source?
Correct Answer: D
2) Calculate the power factor of the RLC circuit shown in the figure.
Correct Answer: A
3) A step-up transformer has 80 turns in the primary coil and 1200 turns in the secondary coil. What is the output voltage if the input voltage is 18 V and the transformer is 90% efficient?
Correct Answer: C
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