In a coil, L=5H, current changes at the rate of 2 ampere per second. The induced emf
Q: A power transmission line feeds input power at 2300 V to a stepdown transformer with its primary…
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Q: A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at…
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Q: 1) A voltage is varied in a primary solenoid with 2900 +/- 100 turns of coil. The length of the…
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Q: , A solenoid inductor has 40 turns. When the current is 3 A, the flux through each turn is 20 µWb.…
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Q: In a coil with an inductance of 5 mi, the current changes in 0.1 ms by 0.2 A. How much…
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Q: In a single-loop coil, the flux is given by Φ=3 sin t + 5 cos t. What is the magnitude of the…
A: Induced emf may be defined as the rate of change of flux with respect to time. If E be induced emf…
Q: The maximum induced emf in a generator rotating at 210 rpm is 45 V. How fast must the rotor of the…
A: Given that: E1=45 vω1=210 rpmE2=56 vω2=?
Q: A coil produces an emf of 1.50 V when the current in it changes from -12.0 mA to +32.0 mA in 4.00…
A: According to the laws of electromagnetic induction, the induced emf is given by e = L d Id t where,…
Q: In an 8-winding current coil in an ac generator, each winding has an area of A=0.09 m2 and the total…
A: Given: The number of windings in the coil is 8. The area of each winding is 0.09 m2. The…
Q: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted…
A: The equation for the current in terms of power and voltage is,
Q: A 12H inductors carries a current of 2A. At what rate must the current be changed to produce a 60V…
A: The equation for the rate at which the current has to be changed can be obtained as
Q: If two coils placed next to one another have a mutual inductance of 5.00 mH, what voltage is induced…
A: Mutual inductance, M = 5 mH change in current, dI =2 A change in time, dt = 30 ms
Q: Ex. 7: When 100V D.C. is applied across a coil, a current of 1A flows through it. When 100 V A.C. of…
A: We need to compute-Resistance (R)=?Impedance (Z)=?Self Inductance (L)=?The data given as-Applied emf…
Q: The current in an inductive coil changes at 30A /s and the back EMF is 3V Calculate the inductance…
A: Given value--- The current in an inductive coil changes at 30A /s. the back EMF is 3V. We have to…
Q: How fast can the 150 A current through a 0.250 H inductor be shut off if the induced emf cannot…
A: Given: Current, i = 150 A inductance, L = 0.25 H Voltage, V = 75 V
Q: A toroidal coil has an inductance of 47 mH. Find maximum self-induced emf in the coil when the…
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Q: A coil of inductance 0.5H and resistance 100n is connected to a 240V,50HZ ac supply. a) What is the…
A: Given value--- inductance = 0.5 H. resistance = 100 ohm. Voltage = 240 V frequency = 50 Hz. We…
Q: The current in a coil changes from 3.60 A to 1.90 A in the same direction in 0.510 s. If the average…
A: Given data : Current , I1 = 3.60AI2 = 1.90A…
Q: The maximum induced emf in a generator rotating at 210 rpmis 35 V. How fast must the rotor of the…
A: To determine the unknown rotational speed of the maximum emf . εmax,1=NBAω1 εmax,2=NBAω2 Solve the…
Q: What is the inductance of a coil if it produces an emf of 8.46V when the current in it changes from…
A: Given: Current ranges from -28.3 mA to 33.2 mA emf is 8.46 V
Q: The maximum induced emf in a generator rotating at 200 rpm is 40 V. How fast must the rotor of the…
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Q: G&7
A: An inductor is a passive component that is used in most power electronic circuits to store energy in…
Q: dI A coil with a self-inductance of 4.5 H carries a current that decreases at a uniform rate =…
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Q: The mutual flux in the core of a 47.9 - cycle transformer that has 800 primary turns and 190…
A: Solution: Given data, Primary turns N1 =800 Secondary turns N2 =190 Mutual flux = 2.17 × 10-6…
Q: How fast can the 155 A current through a 0.160 H inductor be shut off if the induced emf cannot…
A: For the inductor we have V=LdIdt=L∆I∆t⇒∆t=LV∆I
Q: ull speed, and it draws 2.0 Aw s 10 02. The motor operates at
A: Given: V=120 V I =0.5 A Resistance can be 10 ohm
Q: An AC generator has 50 loops of wire, with an area of 42 cm2, rotating at a frequency of 50 Hz in a…
A: Number of loops=50 Area=42cm² Frequency=50Hz Magnetic field=0.54T
Q: If the current in a 160-mH coil changes steadily from 25.0A to 10.0A in 350 ms, what is the…
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Q: The current in a coil drops from 3.8 A to 1.9 A in 0.52 s. If the average emf induced in the coil is…
A: The self induction of the coil is 3.28 mH
Q: Q4 250V Series connected dc motor has a total series resistance Ra and Rs of 0.177 ohm (177 m ohm)…
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Q: A coil consists of 750 turns and a current of 10A in the coil gives rise to a magnetic flux of…
A: We are given the magnetic flux of coil. We are also given number of turns of coil. We are also given…
Q: The mutual inductance between two coils is 3.25 mH. A changing current in the primary coil resulted…
A: Given data: Mutual inductance of the coil L =3.25mH Current I =5.45mA Resistance R =9 ohms
Q: A direct current of 25A creates a flux of 1.4 X 10-4 Wb in a coil of 500 turns. What is the…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
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