3- The generation of electricity achieved by moving a conductor in a magnetic field due to the relation a) E-ILB b) E= BLV c) E-qVB) d) E-F.L.B . .
3- The generation of electricity achieved by moving a conductor in a magnetic field due to the relation a) E-ILB b) E= BLV c) E-qVB) d) E-F.L.B . .
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:Mu
culty of
ectrical.
aduat
al 1
(B)- Select the correct answer for the alternatives given.
1- When the voltage applied to the armature of a de shunt motor is decreased, what
happens to the motor speed?
(a) It decreases. (b) It increases, (c) The motor stops, (d) It becomes uncontrollab
2- The starting current is high in d.c shunt motor because
(a) The armature resistance is small
very
(b) The speed of motor is equal zero
AVAIR
I-X2
(c) The back E.M.F is equal zero
R. v
(d) (a)+(b)+(c)
3- The generation of electricity achieved by moving a conductor in a magnetic field due to the
relation
a) E-ILB, b) E= BLV
c) E-qVB)
d) E-F.L.B
"
PZ
4- A 4-pole generator has a wave-wound armature with 722 conductors and the armature
current is 60 Amper on full load. The armature m.m.f is equal
b) 1353.75 A.T
a) 5415 A.T
c) 2707.5 A.T
d) 676.675 A.T
9
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