10. A coil has 400 turns and self-inductance 4.80 mH. The current in the coil varies...
A coil has 460 turns and self-inductance 7.50 mH. The current in the coil varies with time according to i=(680mA)cos[πt/(0.0250s)]. What is the maximum emf induced in the coil? What is the maximum average flux through each turn of the coil? At t=0.0180 s, what is the magnitude of the induced emf?
(1 point) A solenoid has 440 turns and its self-inductance is 1 mH. a) What is the flux through each turn when the current is 5 A? Wb b) What is the magnitude of the induced emf when the current changes at 35 A/s? mV
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 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...
8. A coil has 1000 turns. When the current in the coil is 4.00 A, the average flux through each turn of the coil is 0.0250 Wb. What is the self-induced emf in the coil (in V) when the current in the coil is changing at a rate of 12.0 A/S? (A) 93.8 (B) 826 (C) 75.0 (D) 41.5 (E) 50.0 (F) 675
8. A coil has 1000 turns. When the current in the coil is 4.00 A, the average flux through each turn of the coil is 0.0250 Wb. What is the self-induced emf in the coil (in V) when the current in the coil is changing at a rate of 12.0 A/s? (A) 93.8 (B) 82.6 (C) 75.0 (D) 41.5 (E) 50.0 (F) 67.5
8. A coil has 1000 turns. When the current in the coil is 4.00 A, the average flux through each turn of the coil is 0.0250 Wb. What is the self-induced emf in the coil (in V) when the current in the coil is changing at a rate of 12.0 A/s? (A) 93.8 (B) 82.6 (C) 75.0 (D) 41.5 (E) 50.0 (F) 67.5
8. A coil has 1000 turns. When the current in the coil is 4.00 A, the average flux through each turn of the coil is 0.0250 Wb. What is the self-induced emf in the coil (in V) when the current in the coil is changing at a rate of 12.0 A/s? (A) 93.8 (B) 82.6 (C) 75.0 (D) 41.5 (E) 50.0 (F) 67.5 OA OB Ос OD OE OF
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...
Question 1: The armature of a small generator consists of a flat, square coil with 180 turns and sides with a length of 1.70 cm. The coil rotates in a magnetic field of 7.55×10−2 T. What is the angular speed of the coil if the maximum emf produced is 2.10×10−2 V? Question2: At the instant when the current in an inductor is increasing at a rate of 6.40×10−2 A/s , the magnitude of the self-induced emf is 1.65×10−2 V ....