Question

It takes 2.25 ms for the current in an LR circuit to increase from zero to...

It takes 2.25 ms for the current in an LR circuit to increase from zero to 0.66 its maximum value.

Part A

Determine the time constant of the circuit.

Express your answer to two significant figures and include the appropriate units.

Part B

Determine the resistance of the circuit if 35.0 mH .

Express your answer to two significant figures and include the appropriate units.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
It takes 2.47 ms for the current in an LRLR circuit to increase from zero to...
It takes 2.47 ms for the current in an LRLR circuit to increase from zero to 0.79 its maximum value. Part A: Determine the time constant of the circuit. Part B: Determine the resistance of the circuit if 35.0 mH .
Consider an LR circuit when a 50.0-Hz 240-V rms ac voltage is applied, where R =...
Consider an LR circuit when a 50.0-Hz 240-V rms ac voltage is applied, where R = 2.30 kΩ , and L = 410 mH . What is the rms current the circuit? Express your answer to three significant figures and include the appropriate units. What is the phase angle between voltage and current? Express your answer using three significant figures. How much power is dissipated? Express your answer to three significant figures and include the appropriate units. What are the...
An LR circuit can be used as a "phase shifter." Assume that an "input" source voltage...
An LR circuit can be used as a "phase shifter." Assume that an "input" source voltage V=V0sin(2πft+ϕ) is connected across a series combination of an inductor L = 54 mH and resistor R. The "output" of this circuit is taken across the resistor. If V_0 = 27 V and f = 105 Hz , determine the value of R so that the output voltage VR lags the input voltage V by 30 ∘. Express your answer using two significant figures....
Please Answer all 3 completely! Thank you <3 1. In an integrated circuit, the current density...
Please Answer all 3 completely! Thank you <3 1. In an integrated circuit, the current density in a 2.4-μm-thick × 72-μm-wide gold film is 7.0×105 A/m^2 Part A: How much charge flows through the film in 15 min? Express your answer to two significant figures and include the appropriate units. 2. The current in an electric hair dryer is 10 A . How many electrons flow through the hair dryer in 5.8 min ? Express your answer using two significant...
A television channel is assigned the frequency range from 54 MHz to 60 MHz. A series...
A television channel is assigned the frequency range from 54 MHz to 60 MHz. A series RLCtuning circuit in a TV receiver resonates in the middle of this frequency range. The circuit uses a 21 pF capacitor. Part A What is the value of the inductor? Express your answer to two significant figures and include the appropriate units.= 0.37 μH I found this answer. Part B In order to function properly, the current throughout the frequency range must be at...
In (Figure 1), the total resistance is 15.0 kΩ , and the battery's emf is 31.0...
In (Figure 1), the total resistance is 15.0 kΩ , and the battery's emf is 31.0 V . The time constant is measured to be 26.0 μs . Part A Calculate the total capacitance of the circuit. Express your answer with the appropriate units. C = SubmitRequest Answer Part B Calculate the time it takes for the voltage across the resistor to reach 15.0 V after the switch is closed. Express your answer to three significant figures and include the...
1- What is the current in amperes if 1300 Na+Na+ ions flow across a cell membrane...
1- What is the current in amperes if 1300 Na+Na+ ions flow across a cell membrane in 3.2 μsμs ? The charge on the sodium is the same as on an electron, but positive. Express your answer to two significant figures and include the appropriate units. 2- What voltage will produce 0.45 AA of current through a 4800-ΩΩ resistor? Express your answer to two significant figures and include the appropriate units. 3- An electric device draws 4.60 AA at 240...
A helicopter carrying Dr. Evil takes off with a constant upward acceleration of 5.0 m/s2 ....
A helicopter carrying Dr. Evil takes off with a constant upward acceleration of 5.0 m/s2 . Secret agent Austin Powers jumps on just as the helicopter lifts off the ground. After the two men struggle for 13.0 s , Powers shuts off the engine and steps out of the helicopter. Assume that the helicopter is in free fall after its engine is shut off, and ignore the effects of air resistance. Part A What is the maximum height above ground...
A car traveling 77 km/h slows down at a constant 0.50 m/s2 just by "letting up...
A car traveling 77 km/h slows down at a constant 0.50 m/s2 just by "letting up on the gas." Part A Calculate the distance the car coasts before it stops. Express your answer to two significant figures and include the appropriate units. Part B Calculate the time it takes to stop. Express your answer to two significant figures and include the appropriate units. Part C Calculate the distance it travels during the first second. Express your answer to two significant...
A) What is the rms current in a series RC circuit if R = 3.4 kΩ...
A) What is the rms current in a series RC circuit if R = 3.4 kΩ , C = 0.87 μF , and the rms applied voltage is 100 V at 38 Hz ? Express your answer using two significant figures. Irms =   A   SubmitRequest Answer Part B What is the phase angle between voltage and current? Express your answer using two significant figures. ϕ =   ∘   SubmitRequest Answer Part C What is the power dissipated by the circuit? Express...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT