
Chapter 30, Problem 073 Two coils are at fixed locations. When coil 1 has no current...
Coil 1 has L1 = 50 mH and M, = 104 turns. Coil 2 has L2 = 68 mH and M2 = 227 turns. The coils are fixed in place; their mutual inductance M is 3.6 mH. A 8.0 mA current in coil 1 is changing at the rate of 4.8 A/s. (a) What magnetic flux D12 links coil 1, and (b) what self-induced emf appears in that coil? (c) What magnetic flux D21 links coil 2, and (d) what...
Coil 1 has L1 = 40 mH and N1 = 101 turns. Coil 2 has L2 = 41 mH and N2 = 234 turns. The coils are fixed in place; their mutual inductance M is 5.6 mH. A 6.1 mA current in coil 1 is changing at the rate of 4.4 A/s. (a) What magnetic flux Φ12 links coil 1, and (b) what self-induced emf appears in that coil? (c) What magnetic flux Φ21 links coil 2, and (d) what...
Coil 1 has L1 = 50 mH and N1 = 113 turns. Coil 2 has L2 = 72 mH and N2 = 233 turns. The coils are fixed in place; their mutual inductance M is 5.5 mH. A 7.3 mA current in coil 1 is changing at the rate of 7.3 A/s. (a) What magnetic flux Φ12 links coil 1, and (b) what self-induced emf appears in that coil? (c) What magnetic flux Φ21 links coil 2, and (d) what...
Coil 1 has L1 = 26 mH and N1 = 102 turns. Coil 2 has L2 = 59 mH and N2 = 216 turns. The coils are fixed in place; their mutual inductance M is 6.3 mH. A 8.4 mA current in coil 1 is changing at the rate of 4.5 A/s. (a) What magnetic flux Φ12 links coil 1, and (b) what self-induced emf appears in that coil? (c) What magnetic flux Φ21 links coil 2, and (d) what...
Chapter 30, Problem 072 has L1 = 26 mH and N1 = 122 tums. Coll 2 has L2 = 68 mH and N2 = 234 turns. The colls are fixed in place; their mutual inductance M is 5.2 mH. A 6.8 A current in coil 1 is changing at the rate of 6.0 A/s a w at magnetic flux Φ12 lin 1, and (b) what self-induced emf appears in that col? (c) Wh t magnetic flux Φ21 links coil 2,...
Please show the derivation of the formulas!
Coil 1 has L1 = 25 mH and N1 = 100 turns. Coil 2 has L2 = 40mH and N2 = 200 turns. The coils are fixed in place; their mutual inductance M is 3.0 mH. A 6.0 mA current in coil 1 is changing at the rate of 4.0 A/s. (a) What magnetic flux 012 links coil 1, and (b) what self-induced emf appears in that coil? (c) What magnetic flux 021...
A long solenoid (coil 1) is surrounded at its center by a shorter coil (coil 2) as in (Figure 1). At an instant when the current in coil 1 is 44.0 A and increasing at a rate of 2.00 A/s, the induced emf in coil 2 is 1.50×10−4 V. What is the mutual inductance of the two coils? At this instant, what is the total magnetic flux through all the turns of coil 2 due to the current in coil...
Two coils are close to each other. The first coil carries a current given by i(t) = 5.90e−0.0250t sin 120πt, where i is in amperes and t is in seconds. At t = 0.815 s, the emf measured across the second coil is −3.15 V. What is the mutual inductance of the coils?
Two coils have mutual inductance of M = 3.20×10−4 H . The current I1 in the first coil increases at a uniform rate of 860 A/s . A) What is the magnitude of the induced emf in the second coil? (answer in V) B) Suppose that the current described is in the second coil rather than the first. What is the magnitude of the induced emf in the first coil? (answer in V)
Chapter 30, Problem 041 A circular coil has a 11.1 cm radius and consists of 33.0 closely wound turns of wire. An externally produced magnetic field of magnitude 3.26 mT is perpendicular to the coil. (a) If no current is in the coil, what magnetic flux links its turns? (b) When the current in the coil is 3.34 A in a certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil?...