The brush contact losses in a d.c. Machine is
A. Inversely proportional to the square of current
B. Directly proportional to the square of current
C. Inversely proportional to the current
D. Directly proportional to the current
Answer:D
The brush contact losses in a d.c. Machine is
A. Inversely proportional to the square of current B. Directly proportional to the square of current C. Inversely proportional to the current D. Directly proportional to the current