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An EMF of 0.524 V is induced across a coil when the current through it changes uniformly from 0.10 to 0.60 A in 0.597 s. What is the self-inductance of the coil? .60 A in 0.597 s. What is the self-inductance of t
An emf of 9.2 ✕ 10−3 V is induced in a coil while the current in a nearby coil is decreasing at a rate of 8.7 A/s. What is the mutual inductance of the two coils (in H)?
The current in a coil drops from 3.7 A to 2.6 A in 0.49 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil?
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)
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 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?
At the instant when the current in a coil is increasing at a rate of 0.25 A/s, the magnitude of the self-induced emf is 0.021 V. What is the inductance of the coil?
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...
The current through a square coil of wire connected to a power supply is changed from 3.6 A to 1.9 A in 0.53 s. Determine the self-inductance of the coil if the average induced emf due to this change in current is 10 mV. L= H