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8. A coil has 1000 turns. When the current in the coil is 4.00 A, the...
8. A coil has 1000 turns. When the current in the coil is 4.00 A, the...
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...
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...
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
A coil has 460 turns and self-inductance 7.50 mH. The current in the coil varies with...
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?
10. A coil has 400 turns and self-inductance 4.80 mH. The current in the coil varies...
10. A coil has 400 turns and self-inductance 4.80 mH. The current in the coil varies with time according to i=(680mA)cos(att/0.0250s). (a) What is the maximum emf induced in the coil? (b) What is the maximum average flux through each turn of the coil? (c) At t= 0.0180 s, what is the magnitude of the induced emf?
A certain inductor is formed from a circular coil consisting of 10 turns of wire. When...
A certain inductor is formed from a circular coil consisting of 10 turns of wire. When a current of 2.5 A is sent through this coil, it experiences a total magnetic flux of 5 * 10^-7 Wb. a) What is the inductance of this coil? b) What magnetic energy does this inductor contain at this current? c) What is the magnitude of the self-induced EMF in the coil if current is reduced to 0 over 0.05 secs?
Coil 1 has L1 = 40 mH and N1 = 101 turns. Coil 2 has L2...
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...
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...
A solenoid with 1200 turns per meter has a diameter of 4.00 cm. A current I...
A solenoid with 1200 turns per meter has a diameter of 4.00 cm. A current I = 2.63 A flows in the clockwise direction in the solenoid. A rectangular loop of length L = 16.0 cm, width w = 12.5 cm, and 2 turns is centered on the axis of the solenoid. (a) Find the magnitude of the magnetic flux through the loop. What is the area over which the flux has a non-zero value? Wb (b) When the current...
Exercise 30.12 - Enhanced - with Feedback Along, straight solenoid has 700 turns. When the current...
Exercise 30.12 - Enhanced - with Feedback Along, straight solenoid has 700 turns. When the current in the solenoid is 2.90 A, the average flux through each turn of the solenoid is 3.25 x 10-3 Wb. Part A What must be the magnitude of the rate of change of the current in order for the self-induced emf to equal 6.50 mV? Express your answer in milliamperes per second. ANSWER: die mA/s
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) 826 (C) 75.0 (D) 41.5 (E) 50.0 (F) 675
10. A coil has 400 turns and self-inductance 4.80 mH. The current in the coil varies with time according to i=(680mA)cos(att/0.0250s). (a) What is the maximum emf induced in the coil? (b) What is the maximum average flux through each turn of the coil? (c) At t= 0.0180 s, what is the magnitude of the induced emf?
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...
A solenoid with 1200 turns per meter has a diameter of 4.00 cm. A current I = 2.63 A flows in the clockwise direction in the solenoid. A rectangular loop of length L = 16.0 cm, width w = 12.5 cm, and 2 turns is centered on the axis of the solenoid. (a) Find the magnitude of the magnetic flux through the loop. What is the area over which the flux has a non-zero value? Wb (b) When the current...
Exercise 30.12 - Enhanced - with Feedback Along, straight solenoid has 700 turns. When the current in the solenoid is 2.90 A, the average flux through each turn of the solenoid is 3.25 x 10-3 Wb. Part A What must be the magnitude of the rate of change of the current in order for the self-induced emf to equal 6.50 mV? Express your answer in milliamperes per second. ANSWER: die mA/s
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