Two coils have a mutual inductance of 580 mH. One coil is supplied with a current given by I = 3t2 - 2t + 4, where I is in amperes and t in seconds. What is the induced emf in the other coil at time t = 2.5

Q: The current in a coil drops from 3.5 A to 2.0 A in 0.50 s. If the average emf induced in the coil is…

A:

Q: At a certain instant the current flowing through a 5.0-H inductor is 3.0 A. If the energy in the…

A:

Q: A coil of 15 turns and radius 10.0 cm surrounds a long solenoid of radius 2.00cm and 1.00x103…

A: Given that  no of turns 15 turns radius 10.0 cm long solenoid of radius 2.00cm and 1.00x103…

Q: A solenoid with an inductance = 8.0*10^-3 H carries current of 1.0 A. The current in the solenoid…

A: Given, Inductance of solenoid L = 8 x 10-3 H Current I1 = 1A Current I2 = 0 A Time t = 0.1…

Q: A circular coil of radius 12.5 cm is located in a region of magnetic field where  B(t) = (+0.3…

A: It is given that,

Q: A 6 pole DC wave wound generator has 26 armature conductors with flux per pole is 21 mWb and the…

A:

Q: A coil having 50 turns and an outer and inner diameter of 3cm and 2 cm respectively swings from a…

A:

Q: Two coils, 1 and 2, are separated in space, and have a fixed distance between them. When coil 2 has…

A: Given the emf in the second coil ε2 = 30 mV = 30×10-3 V The rate of change of current in the first…

Q: The initial angular speed of the coil in the generator is 5.00 rad/s and the initial amplitude of…

A: the  emf induced is directly proportional to the angular speed . thus, as the angular speed increase…

Q: Two coils have a mutual inductance of 480mH. One coil is supplied with a current given by I(t) = 3t2…

A:

Q: A Tesla coil consists of a long solenoid with length L = 0.5 m that is closely wound with N1 = 1000…

A: Given data: The length of solenoid is L=0.5 m. The number of turns are, N1=1000N2=10 The area of…

Q: A 14.5 cm long solenoid has 56 windings and a circular cross section of radius a = 1.40 cm. The…

A:

Q: A coil of 15 turns and a radius of (R=10.0) cm surrounds a long solenoid of radius 2.00 cm and 1194…

A: The coil =15turns  The radius R=10cm  long solenoid radius =2cm

Q: A conducting coil, with current i(t) = 4.00e-0.0250t sin(120at), with i in amperes and t in seconds,…

A:

Q: At a certain instant the current flowing through a 5.0-H inductor is 3.0 A. If the energy in the…

A:

Q: A coil with a self-inductance of 2.0 H carries a current that varies with time according to I(t) =…

A: The expression for find induced emf in the coil is ε=-LdIdt

Q: A coil with 150 turns has a magnetic flux of 50.0 nT m2 through each turn when the current is 2.00…

A: Since there are multiple sub parts posted, we will answer the first three sub parts. a) The…

Q: The current in a coil changes from 10 A to zero in 0.50 s. If the average induced e.m.f is 320 V,…

A: (a) The average induced e.m.f. VL is given by: VL=-Ldidtdidt=0-10.5=-20 a/sL=-VLdidt-1=320/20=16…

Q: A transformer consists of two coils of wire wound on a common toroidal iron core. The mutual…

A:

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: A coil has an inductance of 3.00 mH, and the current through it changes from 0.200 A to 1.50 A in a…

A: When magnetic flux linked with a coil changes then emf get induced in the coil according to Lenz's…

Q: A toroidal solenoid has 550 turns, cross-sectional area 6.40 cm^2, and mean radius 4.60 cm. Part A…

A: Given information: Here, N is the number of turns of the toroidal solenoid, A is the…

Q: A rectangular loop of wire has area A. It is placed perpendicular to a uniform magnetic field B and…

A:

Q: When the current in a toroidal solenoid is changing at a rate of 0.03A/s, the magnitude of the…

A: Given data Current changing at a rate of 0.03 A/s Magnitude of induced emf  11.9 mV Current 1.34 A…

Q: The current in a coil drops from 3.4 A to 2.4 A in 0.49 s. If the average emf induced in the coil is…

A:

Q: The rate of change of current in coil 1 is di1dt=3mA/s. Hence, there's a change of magnetic flux in…

A:

Q: As current stabilizes in the inductor at 10A over 0.1 seconds, how much is the induced emf in the…

A:

Q: An induced emf of 2.0 V is measured across a coil of 50 closely wound turns while the current…

A: The self-inductance of the coil, L=εdI/dt

Q: An ideal solenid of unknown length and cross-section has an inductance of 4.0mH. When current flows…

A: Given data *The given inductance of the inductor is L = 4.0 mH = 4.0 × 10-3 H *The given induced emf…

Q: Two coils have a mutual inductance of 2.34 x 10 H. The current in the first coil increases at a…

A:

Q: What If? Suppose a constant current of I = 6.00 A flows in the straight wire and the loop moves from…

A:

Q: A flat circular coil having 120 turns. each one of cross-sectional area 0.028 m, is in a uniform and…

A: Number of turns, N = 120  Area, A = 0.028 m2  Magnetic field, B = 0.25 T  time, t = 5 ms

Q: A 96-mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. A coil is…

A: Given: Inductance of inductor, L = 96 mH = 96 X 10-3 H Length of wire, l = 0.8 m Diameter of wire, d…

Q: A 2.5 m long coil containing 250 loops is wound on an iron core (average u = 1850µ.) along with a…

A:

Q: When the current in a solenoid uniformly increases from 3.0 A to 8.0 A in a time 0.25 s, the induced…

A:

Q: A coil of conducting wire carries a current i. In a time interval of At = 0.480 s, the current goes…

A:

Q: A long solenoid has n=900 turns per meter and a current I = 3.2 sin(wt). Inside the solenoid with a=…

A:

Q: A 96-mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. A coil is…

A:

Q: A coil has an inductance of 8.00 mH, and the current in it changes from 0.200 A to 1.50 A in a time…

A: Given,L=8.00mH∆I =1.50A-0.200A∆t =0.350s

Q: A coil of 15 turns and radius 10 cm surrounds a long solenoid of radius 2.00 cm and has 1.00 x 103…

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

Q: What is the inductance of a coil in which the average emf induced is  20.0 mV when the current in…

A: E = 20mV  3.5 A to 7.7 A t = 0.33 sec L=?

Q: A coil with radius 4.00 cm contains 500 turns, and is placed in a uniform magnetic field that varies…

A: According to the faraday's law of electro magnetic induction  The rate of change of magnetic flux is…

Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention.