The output of a step-down transformer is measured to be 24 V when connected to a 12 W light bulb. The value of the peak current is:

1. 1/2 A

2. 2 A

3. 2 A

4. 2A

Subtopic:  Transformer |
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Electrical energy is transmitted over large distances at high alternating voltages. Which of the following statements is (are) correct?

a. For a given power level, there is a lower current.
b. Lower current implies less power loss.
c. Transmission lines can be made thinner.
d. It is easy to reduce the voltage at the receiving end using step-down transformers.



1. (a, b, c)
2. (a, b, d)
3. (b, c, d)
4. (c, d)

Subtopic:  Transformer |
 59%
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