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Byju's Answer
Standard X
Physics
Electric Motor
State whether...
Question
State whether True or False :
A 220V DC machine has an armature resistance 1 ohm. If the full load current is 20A, difference of induced voltage and generator is 30 V.
A
True
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B
False
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Solution
The correct option is
B
False
Induced EMF in case of DC Generator is
E
=
V
+
I
a
R
a
Hence,
E
=
220
+
20
×
1
Therefore
E
−
V
=
20
V
Hence statement is False
Suggest Corrections
0
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