Homework Answers
V = L * dI / dt
= [ 50 * 10-3 * (60 - 15) * 10-3 ] / 10
emf induced across inductor = 2.25 * 10-4 V = 0.000225 V
Add Answer to:
The current increases from 15 mA to 60 mA in a 50 mH inductor over 10...
Problem 4. A 10 mH inductor has a sudden current change from 200 mA to 100...
Problem 4. A 10 mH inductor has a sudden current change from 200 mA to 100 mA in 1 ms. Find the induced voltage. Problem 5. A induced voltage across a 10 mH inductor is v(t) 120 cos (377t) V. Find (a) the expression for the inductor current and (b) the expression for the power. The current in a 25 mH inductor is given by the expressions: i(t) 0 i(t) 10 (1-e) mA Find the voltage across the inductor and...
Find the induced emf when the current in a 49.3 mH inductor increases from 0 to...
Find the induced emf when the current in a 49.3 mH inductor increases from 0 to 526 mA in 16.0 ms .
a.) An inductor carries a current of 4.4 A, and the magnetic energy stored in the...
a.) An inductor carries a current of 4.4 A, and the magnetic energy stored in the inductor is 0.0022 J. What is the inductance? mH b.) An inductor with L = 1.4 mH is connected to a circuit that produces a current increasing steadily from 1.8 A to 5.2 A over a time of 2.6 s. What is the voltage across the inductor? mV
1. An inductor (L = 250 mH) is connected to a varying voltage supply: a. At...
1. An inductor (L = 250 mH) is connected to a varying voltage supply: a. At a particular moment in time when the circuit carries a current of 4.0 A, what is the energy stored in the inductor? A. 0.50 J B. 2.0) C. 5.0J D. 20. J E. 50.J b. If the current drops from 4.0 A to 1,0 A during 500. ms, what is the average) emf induced across the inductor during that time? A. 0.33 V B....
2. A 33-mH inductor is directly connected to a varying current supply. a. During a “ramp...
2. A 33-mH inductor is directly connected to a varying current supply. a. During a “ramp up” period of 40. ms, the current through the inductor increases linearly from 0.50 to 1.00 A. What is the average emf induced across the inductor during this time period? A. 0.19 V D. 0.41 V B. 0.26 V E. 0.52 V C. 0.33 V b. The self-induced emf (across the inductor) will be... A. in the same direction as the current B. opposite...
1. A 2-H INDUCTOR DRIVES A CURRENT OF 0.5 AMP WHEN THE CIRCUIT IS OPENED THE...
1. A 2-H INDUCTOR DRIVES A CURRENT OF 0.5 AMP WHEN THE CIRCUIT IS OPENED THE CURRENT DISAPPEARS IN 0.01 SEC, CALCULATE THE EMF. 2. CALCULATE THE MAGNETIC FLOW THROUGH A COIL OF 7.2 Mh WITH 300 ROLLS WHEN i=10 mAmp 3. THE CURRENT IN A 0.02-H INDUCTOR VARY ACCORDING TO I-3t 4t CALCULATE a. Emf at t=1 sec and t = 5 sec b. So that the value of t the Emf induced is zero 4. A SOLENOID HAS...
The current in a 6.00 mH-inductor varies in time as shown. Construct a graph of the...
The current in a 6.00 mH-inductor varies in time as shown.
Construct a graph of the self-induced emf across the inductor
over the time interval t= 0 to t= 12.0 ms
i (mA) 3 2 1 (ms) 2 4 6 8 10 12 -1 -2
The current in a 200 mH inductor is i = 75 mA, t < 0; -50+...
The current in a 200 mH inductor is i = 75 mA, t < 0; -50+ i= (B1 cos 200t + B2 sin 200t) e A, t>0, where t is in seconds. The voltage across the inductor (passive sign convention) is 4.25 V at t = 0. Part A Calculate the power at the terminals of the inductor at t = 28 ms Express your answer to three significant figures and include the appropriate units. μΑ p = Value Units...
IT Chapter 6, Problem 6.30 (Circuit Solution) CHG The current in a 60-mH inductor is given...
IT Chapter 6, Problem 6.30 (Circuit Solution) CHG The current in a 60-mH inductor is given in the figure below. Find the inductor voltage i(t) (mA) 100 - 8 10 t (ms -100 100-- 6.09 10 100
An inductor (L = 400 mH), a capacitor (C = 4.43 uF), and a resistor (R...
An inductor (L = 400 mH), a capacitor (C = 4.43 uF), and a resistor (R = 500 2) are connected in series. A 52.0-Hz AC generator connected in series to these elements produces a maximum current of 440 mA in the circuit. (a) Calculate the required maximum voltage AV max. (b) Determine the phase angle by which the current leads or lags the applied voltage. The current ---Select--- the voltage by a magnitude of
Problem 4. A 10 mH inductor has a sudden current change from 200 mA to 100 mA in 1 ms. Find the induced voltage. Problem 5. A induced voltage across a 10 mH inductor is v(t) 120 cos (377t) V. Find (a) the expression for the inductor current and (b) the expression for the power. The current in a 25 mH inductor is given by the expressions: i(t) 0 i(t) 10 (1-e) mA Find the voltage across the inductor and...
1. An inductor (L = 250 mH) is connected to a varying voltage supply: a. At a particular moment in time when the circuit carries a current of 4.0 A, what is the energy stored in the inductor? A. 0.50 J B. 2.0) C. 5.0J D. 20. J E. 50.J b. If the current drops from 4.0 A to 1,0 A during 500. ms, what is the average) emf induced across the inductor during that time? A. 0.33 V B....
2. A 33-mH inductor is directly connected to a varying current supply. a. During a “ramp up” period of 40. ms, the current through the inductor increases linearly from 0.50 to 1.00 A. What is the average emf induced across the inductor during this time period? A. 0.19 V D. 0.41 V B. 0.26 V E. 0.52 V C. 0.33 V b. The self-induced emf (across the inductor) will be... A. in the same direction as the current B. opposite...
The current in a 6.00 mH-inductor varies in time as shown.
Construct a graph of the self-induced emf across the inductor
over the time interval t= 0 to t= 12.0 ms
i (mA) 3 2 1 (ms) 2 4 6 8 10 12 -1 -2
The current in a 200 mH inductor is i = 75 mA, t < 0; -50+ i= (B1 cos 200t + B2 sin 200t) e A, t>0, where t is in seconds. The voltage across the inductor (passive sign convention) is 4.25 V at t = 0. Part A Calculate the power at the terminals of the inductor at t = 28 ms Express your answer to three significant figures and include the appropriate units. μΑ p = Value Units...
IT Chapter 6, Problem 6.30 (Circuit Solution) CHG The current in a 60-mH inductor is given in the figure below. Find the inductor voltage i(t) (mA) 100 - 8 10 t (ms -100 100-- 6.09 10 100
An inductor (L = 400 mH), a capacitor (C = 4.43 uF), and a resistor (R = 500 2) are connected in series. A 52.0-Hz AC generator connected in series to these elements produces a maximum current of 440 mA in the circuit. (a) Calculate the required maximum voltage AV max. (b) Determine the phase angle by which the current leads or lags the applied voltage. The current ---Select--- the voltage by a magnitude of
Most questions answered within 3 hours.
-
Under the influence of its drive force, a snowmobile is moving
at a constant velocity along...
asked 6 minutes ago -
What mechanisms Drive speciation??
(I.e. what was Dawins theory on the orgin of species, and how...
asked 1 hour ago -
The manager at a car assembly plant believes that the mean
assembly time for a car...
asked 2 hours ago -
Which of the following is true of electron capture?
A) It decreases the nuclide's mass number...
asked 3 hours ago -
Assuming an efficiency of 43.10%, calculate the actual yield of
magnesium nitrate formed from 114.9 g...
asked 4 hours ago -
The highly pathogenic bacterium Clostridium
perfringens causes gangrene, a disease that results in the
destruction of...
asked 6 hours ago -
In the context of situation analysis, which of the following is
a category for analysis in...
asked 6 hours ago -
In a study of the gas phase decomposition of sulfuryl chloride
at 600 K SO2Cl2(g)SO2(g) +...
asked 6 hours ago -
75 g of 2-propanol (C3H8O) and 25 g of pentane are mixed in a
200 mL...
asked 6 hours ago -
The 2800-turn coil in a dc motor has an area per turn of 1.1 ×
10-2...
asked 6 hours ago -
Draw a combinational logic circuit diagram with a symbol inside
the box for two I/P of...
asked 6 hours ago -
The cliché we use quite a lot in finance is: there is a need to
maximize...
asked 6 hours ago