Question

Could someone please assits with this : An alternating voltage is represented by v = 254.56sin377t...

Could someone please assits with this :

An alternating voltage is represented by v = 254.56sin377t volt

1. Calculate the time taken from t = 0 seconds for the voltage to reach a Value of 180V for the second time (6)

2. Calculate the energy dissipated when the voltage is connected across a 9,6 ? resistor for half an hour (3)

3. Calculate the current flowing through the resistor in the form of i = Im sin(?t ±Ø) A                                                                                  (3)

Engineering   Electrical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A power supply that provides a voltage of 39.0 V·sin(163·t), where t is in seconds, is...
A power supply that provides a voltage of 39.0 V·sin(163·t), where t is in seconds, is connected across a resistor R = 111 Ω. Calculate the average power dissipated in the resistor. Calculate the voltage drop across the resistor. Calculate the voltage drop across the capacitor. Calculate the phase angle for the circuit.
An AC voltage source is connected to a 22.0 Ω resistor. The output voltage of the...
An AC voltage source is connected to a 22.0 Ω resistor. The output voltage of the source is given by the function Δv = (100 V)sin[(50π rad/s)t]. (a) From the equation for the output voltage, what is the maximum voltage across the resistor (in V)? V (b) From the equation for the output voltage, what is the frequency of oscillation of the current through the resistor (in Hz)? Hz (c) What is the rms voltage across the resistor (in V)?...
An AC voltage source has an output of ∆V = 177.0 sin(459t) Volts. Calculate the RMS...
An AC voltage source has an output of ∆V = 177.0 sin(459t) Volts. Calculate the RMS voltage. What is the frequency of the source? Calculate the voltage at time t = 1/117 s. Calculate the maximum current in the circuit when the generator is connected to an R = 60.0 Ω resistor.
1.An AC generator supplies an rms voltage of 220 V at 60.0 Hz. It is connected...
1.An AC generator supplies an rms voltage of 220 V at 60.0 Hz. It is connected in series with a 0.750 H inductor, a 3.50 μF capacitor and a 211 Ω resistor. What is the impedance of the circuit? You have to calculate the impedance for a series RLC-combination. 2. What is the rms current through the resistor? You can use a similar equation fo Ohm's law for an RLC circuit. 3. What is the average power dissipated in the...
A) When an alternating voltage of 200 V is applied across a device X, a current...
A) When an alternating voltage of 200 V is applied across a device X, a current of 0.4A flows through the circuit and is in phase with the applied voltage. When the same voltage is applied across another device Y, the same current again flows through the circuit, but it lags behind the applied voltage by π/2radians. Name the devices X and Y. Justify your answer.                                                                   b) A coil of inductance 0.50H and resistance 100 Ω is...
An RC circuit consists of a resistor of 4 MΩ in series with a 5μF capacitor...
An RC circuit consists of a resistor of 4 MΩ in series with a 5μF capacitor and a battery of Ɛ= 9 V and a switch. At t = 0 s, the switch is closed and the capacitor is allowed to charge. a) Calculate the charge on the capacitor plates after 5 seconds. b) Calculate the voltage across the capacitor and the resistor after 5 seconds. c) Calculate the current flowing through the resistor after 5 seconds. d) How long...
An AC generator supplies an rms voltage of 115 V at 60.0 Hz. It is connected...
An AC generator supplies an rms voltage of 115 V at 60.0 Hz. It is connected in series with a 0.700 H inductor, a 3.00 μF capacitor and a 266 Ω resistor. 1. What is the impedance of the circuit? Tries 0/20 2. What is the rms current through the resistor? Tries 0/20 3. What is the average power dissipated in the circuit? Tries 0/20 4. What is the peak current through the resistor? Tries 0/20 5. What is the...
If the instantaneous value of a voltage in an AC circuit of the communication system (at...
If the instantaneous value of a voltage in an AC circuit of the communication system (at any time t seconds) is given by V= 142sin(8πt-0.125π) volts, determine: a. The amplitude, b. Periodic time (in ms) c. Frequency d. Phase angle in degrees e. Voltage at t=0 f. Voltage at t=10ms g.Time when voltage reaches 100volts h. Time when voltage is maximum i. Sketch one cycle of the waveform j. Given that the voltage waveform can also be represented as V=Rsin(ωt+θ),...
A 1.3-kΩ resistor and 26.3-mH inductor are connected in series to a Vrms = 120 V...
A 1.3-kΩ resistor and 26.3-mH inductor are connected in series to a Vrms = 120 V AC power source oscillating at a frequency of f = 60 Hz. The voltage as a function of time is given by V = V0cos(ωt), where V0 is the amplitude, ω is the angular frequency. Part (a) What is the amplitude of the source voltage, in volts? Part (b) Enter an expression for the impedance of the circuit in terms of R, L, f,...
An RC circuit includes a 2-k Ω resistor, a battery with emf of 12.0 V and...
An RC circuit includes a 2-k Ω resistor, a battery with emf of 12.0 V and a capacitor. At t = 0 the switch is closed and the charging of the capacitor begins. Knowing that the time constant of the circuit is measured to be 1 ms calculate: (a) the capacitance of the capacitor; (b) the time it takes for the voltage across the resistor to reach 4 V, and (c) the charge accumulated on the capacitor during this time...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT