ELECTRONIC PRINCIPLES - OD1647 - LESSON 1/PE 1
PRACTICAL EXERCISE 1
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.
What characteristics do all ferromagnetic materials have in
c. How does the law of magnetic poles relate to the law of
d. What is the difference between the domain theory and Weber's
theory of magnetism?
What is a magnetic line of force?
An electromotive force (emf) is generated in a conductor
when the conductor is cut by what type of field?
List the five factors that affect the inductance of a coil.
State the four characteristics of electrostatic lines of
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
What is a disadvantage of a directcurrent system with
respect to supply voltage?