Solved: Suppose that an electromagnet uses a coil 2.0 m in
Chapter , Problem 65(choose chapter or problem)
Suppose that an electromagnet uses a coil 2.0 m in diametermade from square copper wire 2.0 mm on a side; the powersupply produces 35 V at a maximum power output of1.0 kW. (a) How many turns are needed to run the powersupply at maximum power? (b) What is the magnetic fieldstrength at the center of the coil? (c) If you use a greaternumber of turns and this same power supply, will a greatermagnetic field result? Explain.
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