1.The exciting current of an electromagnet is rated at 12 Amperes. When connected across a 122-Volt source, the current is 14 Amperes. Determine the ohms in a resistor which must be connected in series to limit the current to (a) rated value, and (b) 9 amperes.

1.The exciting current of an electromagnet is rated at 12 Amperes. When connected across a 122-Volt source, the current is 14 Amperes. Determine the ohms in a resistor which must be connected in series to limit the current to (a) rated value, and (b) 9 amperes.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 17R: a. If both elements of the water heater in this residence are energized at the same time, how much...

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