The rms value of an alternating current is given by steady DC current which when flowing through a given circuit for a given time produces,
- A. The same heat as produced by AC when flowing through the same circuit.
- B. The less heat than produced by AC when flowing through the same circuit.
- C. The more heat than produced by AC when flowing through the same circuit.
- D. 14.4 calories.
Answer: A. The same heat as produced by AC when flowing through the same circuit.
Explanation: Definition of rms: same heating effect as the equivalent DC.