Electrical Engineering - Alternating Current and Voltage - Discussion
Discussion Forum : Alternating Current and Voltage - General Questions (Q.No. 16)
16.
Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is
Discussion:
11 comments Page 2 of 2.
HAris said:
6 years ago
Drop accross series resistor = 7.5+4.2 = 11.7Vrms.
Vrms = 0.707*Vp.
Vp = Vrms/0.707.
= 11.7/0.707 = 16.54V.
Vrms = 0.707*Vp.
Vp = Vrms/0.707.
= 11.7/0.707 = 16.54V.
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