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28 The electromagnet of Figure P13.28 has reluctance given by R(x) = 7 × 108(0.002 + x) H¬!, where x is the length of the variable gap in meters. The coil has 980 turns and 30-2 resistance. For an applied voltage of 120 V DC, find a. The energy stored in the magnetic field for x = 0.005 m. b. The magnetic force for x = 0.005 m. N turns

28 The electromagnet of Figure P13.28 has reluctance given by R(x) = 7 × 108(0.002 + x) H¬!, where x is the length of the variable gap in meters. The coil has 980 turns and 30-2 resistance. For an applied voltage of 120 V DC, find a. The energy stored in the magnetic field for x = 0.005 m. b. The magnetic force for x = 0.005 m. N turns

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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28 The electromagnet of Figure P13.28 has reluctance given by R(x) = 7 × 108(0.002 + x) H¬!, where x is the length of the variable gap in meters. The coil has 980 turns and 30-2 resistance. For an applied voltage of 120 V DC, find
Transcribed Image Text:28 The electromagnet of Figure P13.28 has reluctance given by R(x) = 7 × 108(0.002 + x) H¬!, where x is the length of the variable gap in meters. The coil has 980 turns and 30-2 resistance. For an applied voltage of 120 V DC, find
a. The energy stored in the magnetic field for x = 0.005 m. b. The magnetic force for x = 0.005 m. N turns
Transcribed Image Text:a. The energy stored in the magnetic field for x = 0.005 m. b. The magnetic force for x = 0.005 m. N turns
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