An LR DC circuit has a time constant of 31.2 µs. What is the inductance if...
An LR DC circuit has a time constant of 31.2 µs. What is the inductance if the resistance is 2.2 k? Find the instantaneous current 2.6 ms after the circuit is connected to a 9-V battery.
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An LR DC circuit has a time constant of 31.2 µs. What is the
inductance if...
An LR circuit includes a resistor of resistance R, an inductor of inductance L and a...
An LR circuit includes a resistor of resistance R, an inductor of inductance L and a battery of emf E = 10 V. At time t = 0 the current in the circuit is I = 0. At time t = 6.1 ms the current is I = 0.66 A. Assume R = 100ohms, find L.
A coil which has an inductance of 40mH and a resistance of 2 ohms is connected...
A coil which has an inductance of 40mH and a resistance of 2 ohms is connected together to form a LR series circuit. If they are connected to a 20 V DC supply (10 points) • What will be the time constant of the RL series circuit? • What will be the value of the circuit current one time constant after the switch is closed. • What will be the final steady state value of the current?
(a) What is the characteristic time constant of a 24.8 mH inductor that has a resistance...
(a) What is the characteristic time constant of a 24.8 mH inductor that has a resistance of 3.92 Ω? ms (b) If it is connected to a 12.0 V battery, what is the current after 12.5 ms?
What is the time constant for charging an inductance L through a resistance R? (a) LR...
What is the time constant for charging an inductance L through a resistance R? (a) LR (b) L/R (c) R/L (d) RLC
(6 pts.] An LR circuit consists of a 1.5 kΩ resistance, 75 mH inductance, 6.0 volt...
(6 pts.] An LR circuit consists of a 1.5 kΩ resistance, 75 mH inductance, 6.0 volt battery, and a switch S. Switch S is closed at t 0, At what time will the current increase to two-thirds of its final value? 8
The switch in an effective LR series dc-circuit (consisting of an emf and a coil with...
The switch in an effective LR series dc-circuit (consisting of an emf and a coil with inductance L = 0.5 H and unknown internal resistance) is closed at t = 0 sec. At t = r, the current is 9.5 A and is increasing at a rate of 1.1 A/s. What must the internal resistance of the coil be? A step-up transformer is designed to have an output voltage of 1800 V (rms) when the primary is connect across a...
A certain LR circuit with a battery has an inductor with L = 37 mH &...
A certain LR circuit with a battery has an inductor with L = 37 mH & τ = 6 ms. It is known that when t = 12 ms, I = 0.11 A. Determine the resistance of the resistor and the voltage of the battery. The armature of a 60 Hz ac generator rotates in a 0.19 T B-field. If the area of the coils is 0.03 m2, how many loops must the coil contain if the peak output is...
A circuit consists of a large electromagnet that has an inductance of 55.0 H and a...
A circuit consists of a large electromagnet that has an inductance of 55.0 H and a resistance of 7.90 Ω, a dc 260 V power source, and an open switch - all connected in series. A. How long after the switch is closed is the current equal to 11.7 A? B. How long after the switch is closed is the current equal to 31.9 A
23. An inductor is hooked to battery source. a. What is the characteristic time constant of...
23. An inductor is hooked to battery source. a. What is the characteristic time constant of a 15.0 mH inductor that has a resistance of 1092? b. If it is connected to a 9.0 V battery, what is the current after 10.0 ms?
Content For an LR Circuit, r. where r is the time constant with mks units of...
Content For an LR Circuit, r. where r is the time constant with mks units of s. There are two cases we care about. LR Circuit with a battery: where the voltage of the battery I 0632- . When LR Circuit without a battery: ter • the intervent of the inductor • When 0.368 First graph The I vs t graph shown below is for an LR circuit with a battery. Determine the time constant of the LR circuit. T=...
A coil which has an inductance of 40mH and a resistance of 2 ohms is connected together to form a LR series circuit. If they are connected to a 20 V DC supply (10 points) • What will be the time constant of the RL series circuit? • What will be the value of the circuit current one time constant after the switch is closed. • What will be the final steady state value of the current?
(6 pts.] An LR circuit consists of a 1.5 kΩ resistance, 75 mH inductance, 6.0 volt battery, and a switch S. Switch S is closed at t 0, At what time will the current increase to two-thirds of its final value? 8
The switch in an effective LR series dc-circuit (consisting of an emf and a coil with inductance L = 0.5 H and unknown internal resistance) is closed at t = 0 sec. At t = r, the current is 9.5 A and is increasing at a rate of 1.1 A/s. What must the internal resistance of the coil be? A step-up transformer is designed to have an output voltage of 1800 V (rms) when the primary is connect across a...
23. An inductor is hooked to battery source. a. What is the characteristic time constant of a 15.0 mH inductor that has a resistance of 1092? b. If it is connected to a 9.0 V battery, what is the current after 10.0 ms?
Content For an LR Circuit, r. where r is the time constant with mks units of s. There are two cases we care about. LR Circuit with a battery: where the voltage of the battery I 0632- . When LR Circuit without a battery: ter • the intervent of the inductor • When 0.368 First graph The I vs t graph shown below is for an LR circuit with a battery. Determine the time constant of the LR circuit. T=...
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