Question

How long does it take for an RL circuit to get to two-thirds of its maximum...

  1. How long does it take for an RL circuit to get to two-thirds of its maximum current? (where τ is the time constant of the circuit)
  1. 0.368 τ
  2. 0.405 τ
  3. 0.693 τ
  4. 1.10 τ
  5. 1.95 τ
Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

During charging, the current through an RL circuit as a function of time is

So, we get

  
And so for
  
we get
  
  
  
So, option (d) is correct.

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
The current in an RL circuit builds up to one-third of its steady-state value in 4.36...
The current in an RL circuit builds up to one-third of its steady-state value in 4.36 s. Find the inductive time constant.
A series RL circuit consists of a 6.3 volt battery, a 175 ohm resistor and an...
A series RL circuit consists of a 6.3 volt battery, a 175 ohm resistor and an inductor. (a) If the battery has been connected for a long time interval, what is the current in the circuit? (b) The battery is then removed from the circuit, so only the resistor and the inductor are connected in series. What is the inductance of the inductor if the current drops to half of its peak value in 2.00 ms? (c) The current is...
Consider the RL circuit shown in the figure (Figure 1). When the switch is closed, the...
Consider the RL circuit shown in the figure (Figure 1). When the switch is closed, the current in the circuit is observed to increase from 0 to 0.33 A in 0.14 s . What is the inductance L? Express your answer using two significant figures How long after the switch is closed does the current have the value 0.51 A ? Express your answer using two significant figures.
In an RC series circuit, V = 24.0 V, resistance R = 47 K?, and capacitance...
In an RC series circuit, V = 24.0 V, resistance R = 47 K?, and capacitance C = 2200 ?F. (a) Calculate the time constant. (b) Define time constant in a complete sentence. (c) How long does it take for the capacitor to reach to its 63% of its maximum charge? (d) How long does it take for the capacitor to reach to its 75% of it maximum charge? (e) How much charge can be stored in the capacitor after...
A series circuit consists of R=8500 Ω and C=55 microF (a) What is the value of...
A series circuit consists of R=8500 Ω and C=55 microF (a) What is the value of the time constant? (b) If the above circuit is connected to a 5V dc power supply, how long will it take for the voltage across the capacitor to reach 50% of its maximum value? (c) If the capacitor in the above circuit is fully charged and suddenly shorted, how long will it take for the voltage across the capacitor to reach 20% its maximum...
In RC Circuit a 35 uf capacitor is charged with so Volt battery. It discharges in...
In RC Circuit a 35 uf capacitor is charged with so Volt battery. It discharges in resistance of R. After 3.2 m.5 Voltage of capacitor is 20volt. Find cas Time constant of circuit. (b). Maximum charge. (C) charge of capactor after half of Time constant. (d). How long does take to have zero Voltage on capacitor? ( Discharging )
How does current flow in a circuit with a capacitor if the two plates in a...
How does current flow in a circuit with a capacitor if the two plates in a capacitor are not connected by a conductor?
(1a) In an oscillating LC circuit in which C = 1.50 nF and L = 3.8...
(1a) In an oscillating LC circuit in which C = 1.50 nF and L = 3.8 mH, the maximum voltage is 4.5 V. Find the maximum charge on the capacitor and the electrical energy stored by the capacitor in this case. (1b) Find the maximum current in the circuit and the magnetic energy stored by the inductor in this case. (1c) What is the period of the oscillations? (1d) If the capacitor is initially fully charged, how long will it...
If 222Rn is initially purified from its daughters, how long does it take for them to...
If 222Rn is initially purified from its daughters, how long does it take for them to grow back to 50% of their values at secular equilibrium?
How long does it take to reduce the voltage error between the inut signal and Vc(t)...
How long does it take to reduce the voltage error between the inut signal and Vc(t) in Fig 4-6 down to less than 1% with 5Kohm and 0.1 uF? What is the minimum integer value to multiply the time constant for reaching the period you estimate? Fig 4-6 is easy figure. RC series circuit. and V_s = 2.5V and 1kHz of frequency R = 1 k ohm C = 0.1 uF V_c (t) is voltage across capacitor. Please Please write...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT