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Home > Ordnance Documents and other related manuals > > Practical Exercise 1 - OD16470231
Conclusion - OD16470229
Requirement - OD16470233

Electronic Principles
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ELECTRONIC PRINCIPLES - OD1647 - LESSON 1/PE 1
PRACTICAL EXERCISE 1
1. Instructions
Below are some questions concerning the information that was
presented in this subcourse. On a separate sheet of paper,
answer theses questions using your knowledge of electronic
principles and this subcourse.
2. Requirement
a.
What are magnetic materials?
b.
What characteristics do all ferromagnetic materials have in
common?
c. How does the law of magnetic poles relate to the law of
electric charges?
d. What is the difference between the domain theory and Weber's
theory of magnetism?
e.
What is a magnetic line of force?
f.
An electromotive force (emf) is generated in a conductor
when the conductor is cut by what type of field?
g.
Define inductance.
h.
List the five factors that affect the inductance of a coil.
i.
Define the terms "capacitor" and "capacitance."
j.
State the four characteristics of electrostatic lines of
force.
k. An electron moves into the electrostatic field between a
positive charge and a negative charge. Toward which charge
will the electron move?
l. State three factors that affect, the capacitance of a
capacitor.
m.
Define direct current and alternating current.
n.
What is a disadvantage of a direct­current system with
respect to supply voltage?






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