12. An emf of 96.0 mV is induced in the windings of a coil when the...
a)During a 82-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 4.2-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12 Ω. The mutual inductance between the two coils is 3.2 mH. What is the change in the primary current? b) The magnetic flux that passes through one turn of a 13-turn coil of wire changes to 3.78...
9. -/10 points My Notes Ask Your Teacher Two solenoids A and B, spaced close to each other and sharing the same cylindrical axis, have 390 and 630 turns, respectively. A current of 2.00 A in solenoid A produces an average flux of 300 Wb through each turn of A and a flux of 90.0 uWb through each turn of B. (a) Calculate the mutual inductance of the two solenoids. mH (b) What is the inductance of A? CmH (c)...
ogf induced in a coil is 0.72 V when the current in the coil changes to 1.6 A in 0.25 s. What is the self-inductance L of the coil? An alternating voltage with a peak voltage of 12 V and a frequency 60 Hz is connected in series to a resistor with resistance R : 10 ?, a capacitor with capacitance C-1000 ?F, and an inductor with inductance L 500 mH. Determine the root-mean-square current in the circuit. (a)
An emf of 20.0 mV is induced in a 460-turn coil when the current is changing at the rate of 10.0 A/s. What is the magnetic flux through each turn of the coil at an instant when the current is 4.80 A? (Express the magnitude in µT · m2)
A steady current of 3 A produces a flux of 130 uWb in a coil of 240 turns. What is the inductance (in mH) of the coil? A. 15.6 OB.5.2 c. 10.4 D. 2.6
The inductance of a closely wound coil is such that an emf of 4.71 mV is induced when the current changes at the rate of 3.1 A/s. A steady current of 3.87 A produces a magnetic flux of 43.9 mu Wb through each turn. (a) Calculate the inductance of the coil. (b) How many turns does the coil have? (a) Number Units (b) Number Units
During a 80-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 5.0-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12 Ω. The mutual inductance between the two coils is 3.2 mH. What is the change in the primary current?
During a 73-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 5.6-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12 Ω. The mutual inductance between the two coils is 3.2 mH. What is the change in the primary current?
During a 58-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 4.5-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12 Ω. The mutual inductance between the two coils is 3.2 mH. What is the change in the primary current?
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...