A 250 V DC generator is run at rated speed with no excitation. The open-circuit voltage will be
A. zero
B. very small, say about 2 or 3 V.
C. about 100 V.
D. 250 V.
Answer:B
A 250 V DC generator is run at rated speed with no excitation. The open-circuit voltage will be
A. zero B. very small, say about 2 or 3 V. C. about 100 V. D. 250 V.