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Question
A 60 `Omega` electric heater is connected to a 200 V, 50 Hz mains supply. The peak value of electric current flowing in the circuit is approximately ______.
Options
4.7 A
5.0 A
7.1 A
10 A
MCQ
Fill in the Blanks
Solution
A 60 `Omega` electric heater is connected to a 200 V, 50 Hz mains supply. The peak value of electric current flowing in the circuit is approximately 4.7 A.
Explanation:
` "i"_"rms" = "e"_"rms"/"R" = 200/60 =3.33 "A"`
`"i"_0 =sqrt(2) "i"_"rms" = 1.414 xx 3.33 ≈ 4.7 "A"`
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Average and RMS Values
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