A buck-and-boost transformer has a primary current of 10A and transformation ratio of 10:1. What is the secondary current?
a. 0.1A
b. 1A
c. 10A
d. 100A
d. 100A
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Assuming that the load impedance is to be purely resistive, what load should be connected to terminals a-b of the circuits in Fig. 11.52 so that the maximum power is transferred to the load?
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Due to several illnesses among its work force, a contractor was short several workers for concrete placing and requested the assistance of the resident project representative. To what extent may the resident project representative be permitted to help?
A. As long as he or she provides only supervisory assistance; no physical labor, and is not compensated. B. He or she may give minor assistance including labor, if it does not interfere with his or her other duties. C. He or she cannot assist during normal working hours. However, if the concrete placing is after hours and he or she is on his or her own time, he or she may help if he or she is not paid. D. He or she may assist by calling the union hiring hall for additional help. E. None of these are true.
____ windows have operable parallel glass or acrylic louvers set in a frame. This style of window provides a marginal air-seal.
A. Jalousie B. Vinyl C. Clad D. Grille
A set of contacts actuated by a magnetic coil is called a ____________________.
Fill in the blank(s) with the appropriate word(s).