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Reading Quiz Number 4

Question 1: What are the units of power? 

Answer:  Watts = Joules/sec

Question 2: Which of the following combinations of units yields power?

  1. ohms * volts
  2. ohms * amps
  3. amps * volts 
  Answer: amps * volts

Question 3: The ordinary household electrical outlet has "120-volt" AC. The average voltage across the terminals is ... 

  Answer: 120 Volts (this is also called the "RMS Voltage")

Creative Commons License Copyright © Michael Richmond. This work is licensed under a Creative Commons License.