Which of the following electromagnets would produce the greatest magnetomotive force?
A. A coil of wire with 1,000 turns and 10 amperes of current
B. 10,000 ampere-turns wrapped around an iron core
C. 100 turns of wire flowing 50 amps of current
D. 1 amp of current through 5,000 turns of wire
Answer: B
Trades & Technology
You might also like to view...
____________________ increase feed efficiency and improve rate of gain
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
Electronic marketing of cattle and beef is not expected to expand in the future
Indicate whether the statement is true or false.
Trades & Technology
According to NEC Section 210.52(C)(5), the maximum mounting height for a receptacle installed above a
kitchen countertop is _____. A) 5? B) 8? C) 14? D) 20?
Trades & Technology
How can pressure gauges can be checked?
What will be an ideal response?
Trades & Technology