A bulb is designed to work with peak voltage 45V and period 28ms. It has resistance 120 Ohms and is in series with a 5.1 kiloohms resistor and an AC power supply.
Complete the following:
a) Sketch and label the circuit diagram
b) The frequency of the power supply
c) The peak current through the bulb
d) The voltage RMS of the power supply
1
Expert's answer
2020-02-03T13:55:16-0500
a)
b) We are given time period 28 ms
frequency= 1/time period = 1/0.028 = 35.7 Hz
c) peak current = peak voltage /resistance = 45/120 = 0.375 ampere
d) RMS voltage = Peak voltage/"\\sqrt2" = 45/"\\sqrt2" volts
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