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/ A
2. A
3. 2 A
4. 2A
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)