Magnetism Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Magnetism? On this page you'll find 1461 study documents about Magnetism.
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Electricity and Magnetism Practice Exam with Solution
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1) An ac source of period T and maximum voltage V is connected to a single unknown ideal element that is either a resistor, and inductor, or a capacitor. At time t = 0 the voltage is zero. At time t = T/4 the current in the unknown element is equal to zero, and at time t = T/2 the current is I = -Imax, where Imax is the current amplitude. What is the unknown element? 
A) a resistor 
B) an inductor 
C) a capacitor D) an inductor or a capacitor Answer: C 
2) When an LRC series circuit is driven at...
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BMAT Physics (Magnetism) Review Questions and Answers
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What are the two poles of magnets called? north and south 
 
What is a magnetic field? an area where magnetic materials experience a force 
 
Give 4 magnetic materials: iron, steel, nickel, cobalt 
 
Is magnetism a contact or non-contact force? non-contact 
 
Fill the gap: the closer the magnetic field lines, the ________ the magnetic field stronger 
 
Where is the magnetic field the strongest? at the poles 
 
What direction do magnetic field lines point? north to south 
 
Fill in the gaps: two ...
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NEIEP 400 Final Review (all Answered Correctly) 2023-2024
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NEIEP 400 Final Review (all Answered Correctly) 
 
What material should be used for seating brushes? Correct Answer Sandpaper 
 
Readings on the meter appear to be inaccurate, what should you do? Correct Answer Test meter 
 
A machine that converts mechanical energy into electrical energy Correct Answer Generator 
 
What is the purpose of interpoles in a motor? Correct Answer Help prevent neutral plains from shifting 
 
In the basic loop circuit generator armature supplies DC power to what DC e...
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Gizmo: Student Exploration Magnetism 2020 | Student Exploration Magnetism Gizmo - Graded A+
- Exam (elaborations) • 8 pages • 2021
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Gizmo: Student Exploration Magnetism 2020 | Student Exploration Magnetism Gizmo - Graded A+ 
Vocabulary: attract, bar magnet, ferromagnetic, magnetize, north pole, repel, south pole 
 
 
Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 
 
1.	What happens when you place two magnets close together? Based on which poles of the two magnets face each other, they either experience a force of attraction or repulsion. 
 
2.	What objects do magnets stick to? Make a list. Stainless steel, alum...
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Test Bank For Radiologic Science for Technologists 12th Edition by Bushong Chapter 1-40 Latest
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Test Bank For Radiologic Science for Technologists 12th Edition by Bushong Chapter 1-40 Latest TABLE OF CONTENTS Chapter 1. Essential Concepts of Radiologic Science Chapter 2. Basic Physics Primer Chapter 3. The Structure of Matter Chapter 4. Electromagnetic Energy Chapter 5. Electricity, Magnetism, and Electromagnetism Chapter 6. The X-Ray Imaging System Chapter 8. X-Ray Production Chapter 9. X-Ray Emission Chapter 10. X-Ray Interaction With Matter Chapter 11. Imaging Science Chapter 12. Comput...
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Electricity, Magnetism, and Electromagnetism Test Bank
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The smallest unit of electrical charge is the _____. 
a. electron 
b. proton 
c. neutron 
d. neutrino 
ANS: A 
The smallest unit of electrical charge is the electron. 
DIF: Easy REF: page 61 OBJ: Define the electron. 
2. Electrification occurs through the movement of _____. 
a. protons only 
b. protons and electrons 
c. electrons only 
d. electrons and neutrons 
ANS: C 
Electrification occurs only through the movement of electrons. 
DIF: Moderate REF: page 62 OBJ: Define electrification
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HVAC UNIT 12 BASIC ELECTRICITY AND MAGNETISM QUESTIONS AND ANSWERS #20
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HVAC UNIT 12 BASIC ELECTRICITY AND MAGNETISM QUESTIONS AND ANSWERS #20
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HVAC Unit 12 Basic Electricity and Magnetism
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HVAC Unit 12 Basic Electricity and MagnetismWhat type of charge does an electron have? - correct answer Negative 
 
If five electrons combine with three protons, the net charge will be? - correct answer Negative 
 
Typical insulators are? - correct answer Glass, rubber, Plastic 
 
An ampre is? - correct answer A measure of the quantity of electrons flowing past a point in the electrical current in any given time 
 
If two light bulbs are wired in a series and one light bulb burns out, the other ...
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ATT Test 11 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
- Exam (elaborations) • 21 pages • 2024
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ATT Test 11 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What characteristic is a twisting force that causes shaft to rotate? 
 
 
Answer: 
Torque 
 
 
 
Q: How is torque calculated in generators? 
 
 
Answer: 
Force X Distance from center of shaft 
 
 
 
Q: How are torque and speed related? 
 
 
Answer: 
Inversely proportional 
 
 
 
Q: What characteristic is a generated voltage that OPPOSES applied volts? 
 
 
Answer: 
Couterelectromotive Force (CEMF) ...
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ASVAB practice test 1 Questions and Answers 2023 Solved1.	An induction clutch works by: magnetism 2.	If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are being used, what's the mechanical advantage?: Leng
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1.	An induction clutch works by: magnetism 
2.	If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are being used, what's the mechanical advantage?: Length of Effort Arm ÷ Length of Resistance Arm. MA = 8 ÷ 2 = 4 
3.	The force produced when a boxer's hand hits a heavy bag and "bounces" off it is called: recoil 
4.	If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2 make for every 10 revolutions Gear 1 makes?: r = DR/...
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