What is the ampere-turns of mmf for a coil with 2000 turns and a 10 mA current?
A) 1 A · t
B) 10 A · t
C) 15 A · t
D) 20 A · t
Correct Answer:
Verified
Q21: The minimum amount of relay coil voltage
Q22: What generally causes a relay to chatter?
A)
Q23: The mmf of a coil is
A) inversely
Q24: The practical unit for magnetomotive force is
Q25: The SI abbreviation for ampere-turn is
A) A.T.
B)
Q27: The cgs unit of magnetomotive force is
Q28: The cgs unit for field intensity is
Q29: What is often used to show how
Q30: The effect of little change in flux
Q31: Hysteresis means
A) magnetize below
B) leading ahead
C) lagging
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