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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+IaRa
Hence, E=220+20×1
ThereforeEV=20V Hence statement is False

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