The voltage drop at brush-commutator contact is variable (1-2V) and dependent of armature current.(a) True(b) FalseI have been asked this question in an interview for job.I'd like to ask this question from Circuit Model of DC Machines in chapter DC Machines of Electrical Machines

The voltage drop at brush-commutator contact is variable (1-2V) and de

1.	The voltage drop at brush-commutator contact is variable (1-2V) and dependent of armature current.(a) True(b) FalseI have been asked this question in an interview for job.I'd like to ask this question from Circuit Model of DC Machines in chapter DC Machines of Electrical Machines
Answer» RIGHT answer is (B) False For explanation: The VOLTAGE drop at brush-commutator CONTACT is variable (1-2V) and INDEPENDENT of armature current.

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The voltage drop at brush-commutator contact is variable (1-2V) and dependent of armature current.(a) True(b) FalseI have been asked this question in an interview for job.I'd like to ask this question from Circuit Model of DC Machines in chapter DC Machines of Electrical Machines

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