An AC power supply produces a maximum voltage DeltaV_max = 96 V. This power supp

Question

An AC power supply produces a maximum voltage DeltaV_max = 96 V. This power supply is connected to a resistor R = 22.4 Ohm, and the current and resistor voltage are measured with an ideal AC ammeter and voltmeter as shown in the figure below. An ideal ammeter has zero resistance, and an ideal voltamter has infinite resistance. What is the reading on the ammeter? Your response differ significantly from the correct answer. Rework your solution from the beginning and check each step carefully. What is the reading on the voltmeter? Your response differ significantly from the correct answer. Rework your solution from the beginning and check each step carefully.

Explanation / Answer

a)

Vmax = 96 volts

Vrms = Vmax / sqrt(2) = 96/sqrt(2) = 68.1 volts

R = 22.4 ohm

i = current measured by the ammeter = Vrms / R = 68.1 / 22.4 = 3.04 A

b)

Voltage reading = Vrms = 68.1 volts

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