Coil 14.0 N Solenoid 60.0 V An 819-turn wire coil of resistance 20.5 N is placed above a 11611-turn, 6.36-cm-long solenoid, as shown. Both coil and solenoid have radii of 0.436 cm. a. How long does it take the solenoid current to reach 0.613 times its maximum value? ms b. Determine the average back emf caused by the self-inductance of the solenoid during this interval. Epack = The magnetic field produced by the solenoid at the location of the coil is one-half as strong as the field at the centre of the solenoid. c. The average rate of change in magnetic flux through each turn of the coil during the stated interval is mv. d. Find the magnitude of the average induced current in the coil. Icoil = mA

Coil 14.0 N Solenoid 60.0 V An 819-turn wire coil of resistance 20.5 N is placed above a 11611-turn, 6.36-cm-long solenoid, as shown. Both coil and solenoid have radii of 0.436 cm. a. How long does it take the solenoid current to reach 0.613 times its maximum value? ms b. Determine the average back emf caused by the self-inductance of the solenoid during this interval. Epack = The magnetic field produced by the solenoid at the location of the coil is one-half as strong as the field at the centre of the solenoid. c. The average rate of change in magnetic flux through each turn of the coil during the stated interval is mv. d. Find the magnitude of the average induced current in the coil. Icoil = mA

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

Coil
14.0 N
Solenoid
60.0 V
An 819-turn wire coil of resistance 20.5 Q is placed above a 11611-turn, 6.36-cm-long solenoid, as shown. Both coil and solenoid have radii of 0.436
cm.
a. How long does it take the solenoid current to reach 0.613 times its maximum value?
ms
b. Determine the average back emf caused by the self-inductance of the solenoid during this interval.
Epack =
The magnetic field produced by the solenoid at the location of the coil is one-half as strong as the field at the centre of the solenoid.
c. The average rate of change in magnetic flux through each turn of the coil during the stated interval is
mv.
d. Find the magnitude of the average induced current in the coil.
Icoil =

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