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Worksheetsstar connection
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
in a star system which statement is true
a)
Il=Ip
b)
Il=Ip3
c)
Ip=Il3
d)
Ip=Il÷3
2.
for a star system which statement is true
a)
Vl=Vp
b)
Vl=Vp3
c)
Vl=Vp÷3
d)
Vp=Vl3
3.
in a star system what is the phase relationship between line and phase voltage
a)
30
b)
60
c)
90
d)
120
4.
in a star system what is the phase relationship between line and phase current
a)
0
b)
30
c)
60
d)
120
5.
in a star system what is the phase relationship between phase voltage
a)
30
b)
60
c)
90
d)
120
6.
what is the neutral current in a star system with a balanced load
a)
half
b)
double
c)
none
d)
same
7.
what will cause line voltages to be unequal
(a)
8.
how many voltages are in a star system
a)
1
b)
2
c)
3
d)
4
9.
what would be an example of a balanced load
(a)
10.
when do we require a neutral in a star system
(a)
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