PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER 5. [6.67/10 Points] DETAILS MY NOTES OSCOLPHYS2 23.9.P.062. (a) Calculate the self-inductance (in mH) of a 49.0 cm long, 10.0 cm diameter solenoid having 1000 loops. 20.1 mH + (b) How much energy (in J) is stored in this inductor when 18.5 A of current flows through it? 3439.61 × J (c) How fast (in s) can it be turned off if the induced emf cannot exceed 3.00 V? 0.124 Additional Materials eBook S

PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER 5. [6.67/10 Points] DETAILS MY NOTES OSCOLPHYS2 23.9.P.062. (a) Calculate the self-inductance (in mH) of a 49.0 cm long, 10.0 cm diameter solenoid having 1000 loops. 20.1 mH + (b) How much energy (in J) is stored in this inductor when 18.5 A of current flows through it? 3439.61 × J (c) How fast (in s) can it be turned off if the induced emf cannot exceed 3.00 V? 0.124 Additional Materials eBook S

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A coil has a self-inductance of 50 [H] and a resistance of 3.5 []. It is connected to a 9.0 [V] battery with internal resistance of 0.25 [2]. What is the total magnetic energy stored in the coil when steady-state current is reached? O A. 1.65 x 10-4 [J] O B. 6.43 × 10-5 [J] O C. 1.44 x 10-4 [J] O D. 6.00 x 10-5 [J]
Self-inductance. A coil has a self-inductance of 50 [μH] and a resistance of 3.5 [N]. It is connected to a 9.0 [V] battery with internal resistance of 0.25 [n]. What is the total magnetic energy stored in the coil when steady-state current is reached? O A. 1.65 × 10-4 [J] O B. 6.43 × 10-5 [J] O C. 1.44 x 10-4 [J] O D. 6.00 × 10-5 [J]
Topic Lesson: ELECTROMAGNETIC INDUCTION, INDUCTANCE, AC AND LC CIRCUITS Read the questions comprehensively. Write the given and your complete solutions CLEARLY. Encircle or box the final answer. Don’t forget the SI unit. Thank you! 1. An ideal air-core solenoid has a length of 6.5 cm, area of 2 cm^2 and 3000 turns. Find the 2 self-inductance. GIVEN: SOLUTION: 2. A circular loop of wire of radius 0.25 m is exposed to an external magnetic field that is perpendicular to the plane of the loop (0°). For a time, the magnetic field decreases at a rate of 0. 025 T/s. What is the magnitude of the induced EMF in the loop? GIVEN: SOLUTION: 3. What is the mutual inductance of two coils if an average electromotive force of 0.15 V was induced in the secondary coil when the current in the primary coil changes from 3.50 A to 1.75 A in 0.25 seconds? GIVEN: SOLUTION:
The inductor shown in the figure has inductance L = O.26 H and carries a current in the direction shown. i lell b. a Copyrighte2008 Peson Edtion, inc. puhing Pon Asdon Part A: The current is decreasing at a constant rate di -0.018- dt S 1. Find the self-induced emf. Enter your result in milli - Volts (10 3 Volts). [ Select ] O mV 2. Which end of the inductor is at a higher voltage a or b? [ Select ] Part B: Suppose now that the voltage difference between points a and b is Vab = 1.04V with point a at higher voltage than point b. The current is changing again at a constant rate. 1. Is the current now increasing or decreasing? [ Select ] 2. If the current at t = 0 is 12A what is the current at t = 2.0 s? [ Select ]
Consider two concentric solenoids of the same length. The inner solenoid has radius ? and number of turns ?1. The outer solenoid has radius ? , number of turns ?2, and current ? (see figure). The mutual inductance between the two solenoids is ? . Suppose we now double the radii ? and ? , double the number of turns ?1 and ?2, and double the current ? . What will be the new mutual inductance? Refer to the image for the question, and kindly provide complete solutions.
4. A coil of current carrying wire contalns 500 turns and is 20cm long with a diameter of 2cm. What is its inductance? What is the magnetic flux through It with a current of 20 A running through the wire? What is the induced voltage across it if the 20a current dies to zero at a constant rate during a 10second interval? VLE
What energy is stored in an inductor of 40 mH when a current of 8 A is passing through it? O A. 160 mJ B. 1.28 J O C. 128 mJ O D. 12.8 J O E. 1.6 mJ
6.43 The current in an 80-mH inductor increases from 0to 60 mA. How much energy is stored in theinductor?..
You are working at a company that explores new ways of generating and storing energy in an effort to reduce the world's dependence on oil. Your supervisor explains a new method of storing energy that has been proposed. A huge underground superconducting solenoid of inductance 55.0 H, 1.20 km in diameter, would be fabricated. Each winding of the 150-turn solenoid would be made from Nb,Sn wire and would carry a maximum current of 15.0 kA. (a) Your supervisor asks you to determine the total energy (in J) that could be stored in the coil. (b) She is also concerned about the structural integrity of the coil and requests that you determine the compressive force (in N) acting between two adjacent windings of the coil that are 3.88 m apart. (Enter the magnitude.) N.
How much current does a long wire carry if it produces a magnetic field of magnitude 4.6 microteslas at a field distance of 0.21 m? Round your answer to two decimal places. Question 16 1 pts A solenoid has N turns of wire and an inductance L. What would be the inductance of such solenoid if N is quadrupled? COL O 16L OL/4 O4L O L/16
I need help answering this. Thank you!When a current of 4A between two coils changes to 12A in 0.5s in primary and induces an emf of 50mV in the secondary. Calculate the mutual inductance (in henry) between the two coils. Round to nearest thousandths.
11.. A coil of radius 0.5 m consisting of 1000 loops is placed in a 500 T magnetic field such that the flux is maximum. The field then drops to zero in 10 s. What is the induced potential in the coil?