The time variation of the current in a 32.0-mH inductor is given by  I = 9.00 + 3.00t − 3.00t2, with I in amperes and t in seconds. What is the magnitude of the emf induced in the inductor at the following? (a)    t = 2.00 s  V (b)    t = 5.00 s  V (c) For what value of t is the emf induced in the inductor 0?  s

Q: A 2.0 H inductor carries a constant current of 0.5 A. When the switch in the circuit is opened, the…

A: Inductance (L) = 2 H  Initial constant current (I) = 0.5 A  Final current (I') = 0 A  Time (t) = 20…

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A: We know, ε=-Ldidt=Ldidtdidt=εL=εNϕBI

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A: The Faraday’s laws for solenoid says, Here, N is the number of turns in coil; ϕ is the magnetic…

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Q: A 5.00 [cm] long solenoidal inductor has 50 turns and radius of 3.00 [cm]. If the current varies at…

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Q: A solenoid of radius 2.70 cm has 580 turns and a length of 15.0 cm. (a) Find its inductance. mH (b)…

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Q: In a 250-turn automobile alternator, the magnetic flux in each turn is P = 2.50 × 10-4 cos wt, where…

A: Introduction:The equation for induced emf is given as:ε = -NdϕBdt   -1Here, N are the number of…

Q: A coil of 15 turns and radius 10.0cm surrounds a long radius of 1.90 cm and 1.00*10^3 turns/meter.…

A: Induced emf ε=-Ndϕdt=-NddtBA=-Nddtμ0nIA=-Nμ0nAdIdt=-Nμ0nAddt7.00sin120t=-154π×10-7 Hm1.00×103…

Q: An LR circuit is hooked up to a battery as shown in the figure, with the switch initially open. The…

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Q: 10 and 11 please

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Q: 1. A time-varying current is allowed to pass through an inductor L, whose plot is presented. Which…

A: When there is motion of conductor in magnetic field, an emf is set. A current starts flowing. This…

Q: The current i through a 5.3 H inductor varies with time t as shown by the graph of the figure. The…

A: Write the expression for the  induced emf in a inductor.

Q: The current in a 50.0-mH inductor changes with time as i = 4.00t? – 7.00t, where i is in amperes and…

A: Given data *The given inductor is L=50.0 mH=50.0×10-3 H *The given current is i=4.00t2-7.00t

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A:

Q: When the current in a toroidal solenoid changes at a rate of0.025 A/s, the magnitude of the induced…

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A: Given  Self inductance L = 10 mH  = 10 ×10-3 H  Current I = 2 A

Q: A 27.0 mH inductor, an 6.00 Ω resistor, and a 6.00 V battery are connected in series. The switch is…

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Q: A 10-turn ideal solenoid has an inductance of 3.5mH. When the solenoid carries a current of 2.0A the…

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Q: A rectangular loop (area = 1.4 m²) turns in a uniform magnetic field, B = 1.3 T. When the angle…

A: Given Data:- Area of the loop is A=1.4 m2 Magnetic field is B=1.3 T Angle between the magnetic field…

Q: A conducting circular loop of wire with radius 0.0300 m and resistance 0.40 Ω sits in a region of…

A: Magnetic flux passing through a loop  is given by  ϕ=∫B→.da→=∫B.da Since magnetic field B and area…

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A:

Q: The current i through a 4.7 H inductor varies with time t as shown by the graph of the figure. The…

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Q: The current in a 40.0-mH inductor changes with time as i = 2.00t2 – 7.00t, where i is in amperes and…

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Q: A 9.9-V battery, a 5.01-0 resistor, and a 9.1-H inductor are connected in series. After the current…

A: The solution is given below

Q: A ten-loop coil having an area of 0.23 m^2 and a very large resistance is in a 0.047 T uniform…

A: Given Data: Turn count, N=10 Coil area, A=0.23 m2 Magnetic field (M.F.), B=0.047 T Coil rotation…

Q: A circular loop of flexible iron wire has an initial circumference of 130 cm at t=0, but its…

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Q: A 24.0-V battery is connected in series with a resistor and an inductor, with R = 8.20 Ω and L =…

A: R = 8.2 ohm L = 2 H V = 24 volts

Q: The flexible loop in Figure has a radius of 20.7 cm and is in a magnetic field of magnitude 0.150 T.…

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Q: The current i through a 6.5 H inductor varies with time t as shown by the graph of the figure. The…

A: Induced emf

Q: The current in a 40.0-mH inductor changes with time as i = 3.00t2 − 5.00t, where i is in amperes and…

A: a) Given Inductance,L = 40 mH time,t = 1s Induced emf, V =- L di/dt  V = - L {d(3×t2 - 5 × t)/dt} V…

Q: In Figure, after switch S is closed at time t = 0, the emf of the source is automatically adjusted…

A: Let i be the current drawn from the constant current source, i1 be the current in the resistor and…

Q: A 2-turn planer loop of flexible wire is placed inside a long solenoid of n turns per meter that…

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Q: Self-inductance (L) of a 40.0 cm long solenoid containing N = 400 turns, and cross-sectional area of…

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Q: What energy is stored in an inductor of 40 mH when a current of 8 A is passing through it? O A. 1.6…

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A: Formula of induced emf is as follows; ε=-d∅dt∅=μ0πr2nNIhence,ε=-μ0πr2nNdIdt…

Q: A solenoid of length 3.70 cm and diameter 0.760 cm is wound with 272 turns per centimeter. A) If…

A: