the magnitude of the induced emf & de
Q: What emf is induced in the ring as the field changes?
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Q: Discuss the factors determining the induced emf in a closed loop of wire.
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Q: Discuss the relationship between the generated emf of a generator and its parameters.
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Q: C3 С) 3 6.00 р/F, C2 C2 = 1.00 µF, %3D a Сз 3 3.00 рF, C4 C4 = 6.00 µF, Vab = = 12.0 V C1
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Q: The time constant of an RL circuit is 47 μs. If L = 4.7 mH, calculate R.
A: Time constant = 47us. Inductance = 4.7x10(-3) H
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: Find the induced emf when the current in a 48.0-mH inductorincreases from 0 to 535 mA in 15.5 ms
A: The induced emf can be given by ε=-LdIdt
Q: Is change in magnetic flux directly proportional to induced emf? How?
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Q: Consider a 27.5 mH inductor that has a resistance of 4.25 Ω. a) What is the time constant, τ, of…
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Q: A simple RL circuit includes a 0.125-H inductor. If the circuit isto have a characteristic time of…
A: The expression for the characteristic time of RL circuit is τ=LR Here, R is the resistance of the…
Q: At what angular velocity in rotation/min will the peak voltage of a generator be 540 V, if its…
A: ε0 = 540 V N = 420 turns d = 6.3 cm = 0.063 m B = 0.290 T To find = Angular velocity in rpm
Q: R- 1n J-29 33/11 kV 20 MVA 15% Calculate the voltage the On Load Tap Changer should maintain at…
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Q: A wire along the z-axis (horizontal) with current I going in the positive z-direction produces the…
A: We know that the induced e.m.f e= -(rate of change of flux) Flux = B.A Where B is magnetic field and…
Q: What is the effect on the EMF of increasing the number of turns of wire from N = 1 to N = 400?
A: The answer to the given question is as follows.
Q: What is the characteristic time constant (in s) of a 26.0 mH inductor that has a resistance of 4.15…
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Q: following transformer circuit VSource=12.0volts, RSource=4, the number of turn on the left-handside…
A: Vs /Vp =Ns / Np
Q: For the LR circuit shown below, L = 2 mH & ? = 3 ms. The switch is closed and 5.25 ms later the…
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Q: How much time does it take for the current in an RL circuit withR = 130 Ω and L = 68 mH to reach…
A: Given Data: The resistance of a resistor is, R=130 Ω The inductance of an inductor is, L=68 mH The…
Q: I am not sure how to rank the induced EMF values on the graph and how to determine when an instance…
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Q: The induced EMF is in such a direction as to oppose or tend to oppose the change that produces it.…
A: The given statement is, The induced EMF is in such a direction as to oppose or tend to oppose the…
Q: Give at least 3 factors affecting the emf.
A: According to Faraday's law of electromagnetic induction, the induced emf is given by: e = -dϕdt=…
Q: An________ is set up whenever magnetic field linkinh that circuit changes. When the rate of magnetic…
A: Given, Magnetic field linked with the circuit changes. Magnetic flux is increasing with respect to…
Q: The peak value of an alternating = 350 volts. Calculate its r.m.s. Voltage is Eo value.
A: To find-RMS value of alternating voltage (Erms)=?Given-E0=350 V
Q: find the induced emf in the wire over a time of 0.3 sec.
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Q: If a 0.6T bar magnet is pushed through a 50 turn coli with an area of 0.003m2 in 1.9sec. The induced…
A: The expression for the induced voltage(e) can be given as, e = Nϕt, where N is the number of turns…
Q: Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 160 cm , but…
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Q: generator rotating at 1800 revolutions per minute produces an efective emf of 120 V . When connected…
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Q: A copper bar 90 cm long is perpendicular to a field of 0.75 Wb/m2 and moves at right angles to the…
A: Given that:-Length of rod, l=90 cm=0.90 mSpeed, v=250 mm/sMagnetic field when perpendicular to each…
Q: For L1=19 H, L2=13 H, L3=19 H, L4=32 H, L5-77 H, L6-39 H, L7=12 H & L8=58 H in the circuit shown…
A: Equivalent inductance
Q: What is the formula for maximum induced emf?
A: EMF stands for an electromotive force, a source of energy originated by the variation in the…
Q: What voltage is induced in a 1.00 m diameter loop 50.0 m from a 2.00 X 106 A lightning strike, if…
A: The radius of a loop is, The distance of the loop from the lightning strike is, The induced…
Q: resistor
A: First calculate the time constant of the circuit. V=V0e-t/τe-t/τ=VV0-t/τ=lnVV0τ=-tlnVV0
Q: Find the energy stored in a 7.4-mH inductor when the current is 3.5 A. J
A: L=7.4mH=7.4×10-3HI=3.5A
Q: Instructions 50 cm 10 cm 8.0 A R = 1.0 × 10-3 N A small circular loop of wire of radius 5 cm and…
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Q: Problem 5: A loop is placed near a current carrying wire as shown in the figure. > A Which of the…
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Q: If the current in an inductor is doubled, by what factor is the stored energy multiplied?
A: If the current in an inductor is doubled, by what factor is the stored energy multiplied?
Q: A 100-turn square coil of sade 20.0 cm rotates about a vertical axis at 1.9 x10' rad/min as…
A: Given that:- Number of turns is N=100. The side of the coil is s=20 cm = 0.2 m. The angular…
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