Radio Amateur Quiz Canadian License

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Question B-003-017-005

A power supply is to supply DC at 12 volts at 5 amperes. The power transformer should be rated higher than:

Correct Answer

60 watts

Explanation

Power (Watts) = Voltage (Volts) * Current (Amps). 12 V * 5 A = 60 W. The transformer should have a capacity somewhat higher than the maximum expected load to avoid overheating.

Warning: Generated by AI