n electric motor uses energy produce energy to echanical energy. rue or false? Direct current motors can perate directly from the power supplied - the electric utility system. ue or false? A current-carrying conduc- r, placed in and at right angles to a mag- etic field, tends to move parallel to the eld. prque in a motor is produced by interac- on between two rue or false? The commutator in a dc otor reverses the armature coil to pro- uce continuous armature rotation.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Section A: Answer all questions (10 questions)
An electric motor uses
and
energy
energy
to
produce
mechanical energy.
True or false? Direct current motors can
operate directly from the power supplied
by the electric utility system.
True or false? A current-carrying conduc-
tor, placed in and at right angles to a mag-
netic field, tends to move parallel to the
field.
Torque in a motor is produced by interac-
tion between two
True or false? The commutator in a dc
motor reverses the armature coil to pro-
duce continuous armature rotation.
True or false? One of the features of a dc
motor is that its speed can be easily con-
trolled.
True or false? Direct current permanent-
magnet servomotors are used in cranes to
start heavy loads.
True or false? A dc series motor runs fast
with a light load.
True or false? The speed of a dc shunt
motor is inversely proportional to the field
current.
A compound-type dc motor uses both
field windings.
and
of ntation of.
Thank you
Transcribed Image Text:Section A: Answer all questions (10 questions) An electric motor uses and energy energy to produce mechanical energy. True or false? Direct current motors can operate directly from the power supplied by the electric utility system. True or false? A current-carrying conduc- tor, placed in and at right angles to a mag- netic field, tends to move parallel to the field. Torque in a motor is produced by interac- tion between two True or false? The commutator in a dc motor reverses the armature coil to pro- duce continuous armature rotation. True or false? One of the features of a dc motor is that its speed can be easily con- trolled. True or false? Direct current permanent- magnet servomotors are used in cranes to start heavy loads. True or false? A dc series motor runs fast with a light load. True or false? The speed of a dc shunt motor is inversely proportional to the field current. A compound-type dc motor uses both field windings. and of ntation of. Thank you
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