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Electronics - Magnetism and Electromagnetism

Exercise : Magnetism and Electromagnetism - Filling the Blanks
6.
The induced voltage across a stationary conductor in a stationary magnetic field ___.
equals 0 V
is usually very large
varies with time
depends on the strength of the magnetic field
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage will _____.
not be affected
equal 0 V
decrease
increase


Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
___ is the ability of a material to remain magnetized after removal of the magnetizing force.
Reluctance
Hysteresis
Retentivity
Induction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Ferromagnetic materials have minute magnetic ___ created within their atomic structure by the orbital motion and spin of electrons.
forces
flux lines
domains
tapes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The ___ is an electromagnetic device that contains a coil rotating on a jeweled bearing mount.
permanent-magnet speaker
d'Arsonval movement
single-pole, double-throw relay
crankshaft position sensor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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