n AC generator requires 225J of mechanical energy per second to produce 175W of effective power. a. What is the efficiency of the generator? b. If the total resistance in the wire in the generator is 15.0 Omega, then what is the maximum current produced? If the average power dissipated by an electric light is 150W, what is the maximum power?

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An AC power supply produces a maximum voltage of Vmax= 100 V. This power supply is connected to a resistor R= 24.00, and the current and resistor voltage is measured with an ideal AC ammeter and voltmeter. An ideal ammeter has zero resistance, and an ideal voltmeter has infinite resistance. What is the reading on, a. The ammeter b. The voltmeter

A circuit has a voltage source of 9 V, a capacitor of capacitance 1 × 10 –3 F, and a resistor of 60 Ω . a. What is the time constant of this circuit? b. What is the maximum charge on the capacitor? c. The circuit is switched on at t = 0 seconds. How much charge is on the capacitor at t = 0.1 seconds? d. At what time does the capacitor have half of its maximum charge? e. At what time does the capacitor have 90% of its maximum charge? f. After the capacitor is completely charged, you disconnect the circuit and the capacitor starts discharging. How much charge is on the capacitor after 2 milliseconds? g. How long does it take for the capacitor to lose 99% of its charge?

%3D a. Find the current in each branch of the circuit (three in total). Note: You MUST sketch and label the unknown currents in a figure. 2. In the figure below: E1 = 18V, E2= 12V, E3 = 6V, R1= R3 = 80, R2= 160, R4 = 242. b. Set up a loop equation for the loop you did not use in your earlier calculations. Then verify your answers to part a. by testing them in the equation. R2 R3 R1 E3 E1 RA E2

In an ideal transformer, it is known that the primary coil has 200 turns and the secondary coil has 10 turns. A. If the secondary coil has voltage of 10 V what is the voltage in the primary coil? B. When we say that U.S AC voltage is 120 V what does this voltage refer to? Name the voltage.

A 15.0 mH inductor is connected across an AC generator that produces a peak voltage of 9.60 V. a. What is the peak current through the inductor if the emf frequency is 100 Hz? b. What is the peak current through the inductor if the emf frequency is 100 kHz?

A 2.5khz ac signal at 60 v is connect across a RC circuit consisting of a 50omh resistor a 1.5 microF capacitor a. Determine the capacitance reactance.b. What is the impedancec. What is the current

An RC circuit, hooked up to a battery as shown in the figure, starts with an uncharged capacitor. The resistance in the circuit is R = 681.0 2 the capacitor has capacitance of C = 88.0 µF and the battery maintains the emf of ɛ = 15.0 V. The switch is closed at time t = 0.0 s and the capacitor begins to charge. R What is the time constant for this circuit? Submit Answer Tries 0/99 What is the charge on the capacitor after the switch has been closed for t = 7.01×10-2 s? Submit Answer Tries 0/99 What is the current through the circuit after the switch has been closed for t = 7.01×10-2 s? Submit Answer Tries 0/99 What is the voltage across the capacitor after the switch has been closed for t = 7.01x10-2 s? Submit Answer Tries 0/99

1. For the circuit to the right, let S Ri be 500 Ohms, R2 = 100 Ohms, and the capacitance of the capacitor equal to 10-6 F + 10.0 V R1 R2 a. Find the current in each branch of the circuit at t = 0 and t = infinity. b. Find the charge on the capacitor at t = infinity.