(а) Draw the magnetic field lines for the following cases. South South South North Case 1 Case 2 (b) A solenoid with a length of 100 mm is used as an electromagnetic switch. (i) Calculate the magnetic field produced if the current flowing in the solenoid is 2.0 A and has 400 turns. (ii) Determine the new number of turns of the same solenoid if the magnetic field strength required is doubled. (iii) Explain ONE (1) method that can be used to increase the magnetic field produced by the solenoid other than increasing its number of coils. (c) Two parallel conductors are placed as in Figure Q1(c). Find the total force between the two conductors if I = 10 mA and I = 25 mA. Both conductors have the length, I of 25 cm and separated by a distance of 15 cm. Determine whether the two conductors are attracted or repelled with each other.

(а) Draw the magnetic field lines for the following cases. South South South North Case 1 Case 2 (b) A solenoid with a length of 100 mm is used as an electromagnetic switch. (i) Calculate the magnetic field produced if the current flowing in the solenoid is 2.0 A and has 400 turns. (ii) Determine the new number of turns of the same solenoid if the magnetic field strength required is doubled. (iii) Explain ONE (1) method that can be used to increase the magnetic field produced by the solenoid other than increasing its number of coils. (c) Two parallel conductors are placed as in Figure Q1(c). Find the total force between the two conductors if I = 10 mA and I = 25 mA. Both conductors have the length, I of 25 cm and separated by a distance of 15 cm. Determine whether the two conductors are attracted or repelled with each other.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Analog to Digital Converters

The analog-to-digital converter (ADC) allows circuits controlled by microprocessors, Arduinos, Raspberry Pi, and various reasonable digital circuits to be connected to the real world. In the real world, analog signals have a continuous stream of information from a variety of sources and sensors capable of measuring sound, light, temperature, or movement, in addition to the many digital systems that interact with their environment by measuring analog signals from those transducers.

Question

Answer all the questions given.

(а)
Draw the magnetic field lines for the following cases.
South
South
South
North
Case 1
Case 2
(b)
A solenoid with a length of 100 mm is used as an electromagnetic switch.
(i)
Calculate the magnetic field produced if the current flowing in the solenoid is
2.0 A and has 400 turns.
(ii)
Determine the new number of turns of the same solenoid if the magnetic field
strength required is doubled.
(iii) Explain ONE (1) method that can be used to increase the magnetic field produced
by the solenoid other than increasing its number of coils.
(c)
Two parallel conductors are placed as in Figure Q1(c). Find the total force between the
two conductors if I = 10 mA and I = 25 mA. Both conductors have the
length, I of 25 cm and separated by a distance of 15 cm. Determine whether the two
conductors are attracted or repelled with each other.

conductor 1
conductor 2
Length 1
Figure Q1(c): Two parallel conductors
(d)
Faraday's Law suggested ways how to produce electromotive force (emf) using
permanent magnets.
(i)
Propose TWO (2) ways on how to increase emf generated based on
Faraday's Law.
A coil has a self-inductance value of 3 mH. The current that flows through the
coil increases from 0.2 A to 1.5 A in a period of 2 seconds. Find the magnitude of
(ii)
the induced emf in the coil at that particular of time.

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