True or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

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Answer 1

Textbook Question

Chapter 18, Problem 1RQ

True or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

Expert Solution & Answer

To determine

Whether the given statement is true or false.

Answer to Problem 1RQ

The correct answer is TRUE.

Explanation of Solution

Given information:

The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

The magnetic field exists around every magnet. By placing an iron bar inside the current carrying wires an electromagnet is produced. The strength of the magnetic field of these electromagnets is directly proportional to the number of turns of wire and the current flowing through them. So the above statement is true.

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1. If two capacitors in parallel, they carry the same current. (a) True (b) False

Question 2 Calculate the amount of DC current required for the magnetic circuit given below to generate a flux density of 1.0 T in the airgap. The details are Number of turns, N = 400 The core is made up of steel, the B-H characteristic has been given below The magnetic core length, le = 500 mm The airgap length, Ig = 2 mm The cross-sectional area of the core, Ag = 100 mm² Neglect leakage and fringing. Core Cross-sectional i(1) area as Air gap Magnetic path length Figure 1 2.0 1.8 B-H Curves for Various Metals Steel 1.6 1.4 Magnetic Saturation 1.2 1.0 0.8 Iron 근 0.4 Air 0.2 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 Magnetic Field Strength - H (A/m) Figure 2 Flux Density - B (T)

10 cm 1.25 100 0.05 em 30 om 6.75 0.30 625 10 cm 00 1000 Magastaing inoway (A Ts 10 cm 30 cm- A two-legged magnetic core with an air gap is shown in Fig.1. The depth of is 5 cm, the length of the airgap is 0.08 cm, and the number of turns on the coil is 800. The magnetization curve of the core material is shown in Fig.2. The magnetic field density in air gap is 0.7 T. What is the total MMFin A-Turns required to magnetize both the iron core and airgap? Nas deasiy B(T

Answer 2

Textbook Question

Chapter 18, Problem 1RQ

True or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

Expert Solution & Answer

To determine

Whether the given statement is true or false.

Answer to Problem 1RQ

The correct answer is TRUE.

Explanation of Solution

Given information:

The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

The magnetic field exists around every magnet. By placing an iron bar inside the current carrying wires an electromagnet is produced. The strength of the magnetic field of these electromagnets is directly proportional to the number of turns of wire and the current flowing through them. So the above statement is true.

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Answer 3

Textbook Question

Chapter 18, Problem 1RQ

True or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

Expert Solution & Answer

To determine

Whether the given statement is true or false.

Answer to Problem 1RQ

The correct answer is TRUE.

Explanation of Solution

Given information:

The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

The magnetic field exists around every magnet. By placing an iron bar inside the current carrying wires an electromagnet is produced. The strength of the magnetic field of these electromagnets is directly proportional to the number of turns of wire and the current flowing through them. So the above statement is true.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 18, Problem 1RQ

True or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

Expert Solution & Answer

To determine

Whether the given statement is true or false.

Answer to Problem 1RQ

The correct answer is TRUE.

Explanation of Solution

Given information:

The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

The magnetic field exists around every magnet. By placing an iron bar inside the current carrying wires an electromagnet is produced. The strength of the magnetic field of these electromagnets is directly proportional to the number of turns of wire and the current flowing through them. So the above statement is true.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

Whether the given statement is true or false.

Answer to Problem 1RQ

The correct answer is TRUE.

Explanation of Solution

Given information:

The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

The magnetic field exists around every magnet. By placing an iron bar inside the current carrying wires an electromagnet is produced. The strength of the magnetic field of these electromagnets is directly proportional to the number of turns of wire and the current flowing through them. So the above statement is true.

Answer 8

Expert Solution & Answer

To determine

Whether the given statement is true or false.

Answer to Problem 1RQ

The correct answer is TRUE.

Explanation of Solution

Given information:

The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

The magnetic field exists around every magnet. By placing an iron bar inside the current carrying wires an electromagnet is produced. The strength of the magnetic field of these electromagnets is directly proportional to the number of turns of wire and the current flowing through them. So the above statement is true.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

Whether the given statement is true or false.

Answer 12

Answer to Problem 1RQ

The correct answer is TRUE.

Answer 13

Explanation of Solution

Given information:

The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

The magnetic field exists around every magnet. By placing an iron bar inside the current carrying wires an electromagnet is produced. The strength of the magnetic field of these electromagnets is directly proportional to the number of turns of wire and the current flowing through them. So the above statement is true.

Answer 14

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True or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.

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