A 500-W device is connected to a 120-V ac power source. What rms current flows through this...
If a 120 V (rms) AC power supply is connected to a 200 W motor. a)Calculate and explain whether or not the rms current of the circuit will be the same if the system is connected to a 14.0Ω resistor. (I need a clear explanation in b)) b)Calculate and explain whether or not the rms voltage drop across the motor is the same when there is no resistor, but the internal resistance of the wires of the circuit is 14.0Ω.
An AC generator supplies an rms voltage of 120 V at 60.0 Hz. It is connected in series with a 0.400 H inductor, a 5.30 ?F capacitor and a 251 ohm resistor. A.) What is the impedance of the circuit? B.) What is the rms current through the resistor? C.) What is the average power dissipated in the circuit? D.) What is the peak current through the resistor? E.) What is the peak voltage across the inductor F.) What is...
An AC generator supplies an rms voltage of 120 V at 60.0 Hz. It is connected in series with a 0.350 H inductor, a 5.10 μF capacitor and a 306 Ω resistor. a. What is the impedance of the circuit? b. What is the rms current through the resistor? c. What is the average power dissipated in the circuit? d. What is the peak current through the resistor? e. What is the peak voltage across the inductor? f. What is...
A 3.70-kW heater is designed to be connected to a 120-V rms source. What is the power dissipated by the heater if it is instead connected to a 120-V dc source?
An AC generator supplies an rms voltage of 120 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 5.4 uF capacitor and a 351 ohm resistor. What is the impedance of the circuit? What is the rms current through the resistor? What is the average power dissipated in the circuit? What is the peak current through the resistor? What is the peak voltage across the inductor? What is the peak voltage across the capacitor?...
In an ac circuit a 500 ohm resistor is connected to a 16 volt ac source. (I) What is the current? (II) What is the power dissipated in the resistor? (III) What is the RMS voltage? (IV) What is the RMS current?
A transformer connected to a 120-V (rms) ac line is to supply 13,000 V (rms) for a neon sign. To reduce shock hazard, a fuse is to be inserted in the primary circuit; the fuse is to blow when the rms current in the secondary circuit exceeds 8.50 mA. What current rating should the fuse in the primary circuit have? (Points : 20)
The rms current through a light bulb is 0.466 A when the bulb is connected to a standard 120 V rms source. (a) Find the bulb's resistance. (b) Find the peak instantaneous current. (c) Find the peak instantaneous voltage. (d) Find the average electrical power used by the bulb.
A "120-watt" lightbulb uses an average power of 120 W when connected to an rms voltage of 120 V. What is the resistance of the lightbulb? What is the maximum current in the bulb? What is the maximum power used by the bulb at any given instant of time?
A transformer connected to a 125 V (rms) ac line is to supply 12000 V (rms) for a neon sign. To reduce shock hazard, a fuse is to be inserted in the primary circuit; the fuse is to blow when the rms current in the secondary circuit exceeds 5.00 mA. (a) What is the ratio of secondary to primary turns of the transformer? (secondary/primary) (b) What power must be supplied to the transformer when the rms secondary current is 5.00...