Coil A is a large 300 turn circular coil of radius 77 cm. Circular coil B has 390 turns, a radius of 5 cm and is located L=99 cm from coil A along the same axis. The planes of the two coils are parallel. A) Find the approximate mutual inductance of this pair of coils.     for my answer I got 3.527E-10 H which was wrong B) If the current in coil A varies with time according to I=3t3−8t2−1, where I is in amps and t is in s, find the magnitude of the EMF induced in coil B at time t=2 s.

Q: 4a. Suppose a 42–turn coil lies in the plane of the page in a uniform magnetic field that is…

A: (4a) Number of turns ,n  = 42         Original area of of the coil, A = 0.290 m2          Time taken…

Q: B α (0 a F An alternating current generator has a square loop (with side length a) mounted on a…

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Q: A long solenoid with a axa square cross section has n turns per length sits iwth a vertical central…

A: The objective of the question is to find the mutual inductance between a long solenoid and a flat…

Q: Suppose that a rectangular toroid has 1500 windings and a self-inductance of 0.04 H. If the height…

A: Given : Number of turns, N= 1500 Self Inductance, L =0.04 H Height , h = 0.08 m  Energy stored , U=…

Q: When the current in one coil changes at a rate of 5.6 A/s an emf of 6.3 × 10-3 is induced in a…

A: From question-Change in current, dIdt= 5.6 A/sand, ε=6.3×10-3 V

Q: Problem 3 A and B are two coils close. A has 1200 turns, and B has 1000 turns. When a current of…

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Q: A flux of 25 X10^5 Maxwell links with a 1500 turn coil when a current of 3 A passes through the…

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Q: A square loop of wire with a small resistance is moved with constant speed from a field free region…

A: emf induced in the loop of changing magnetic field: According to Faraday's law of electromagnetic…

Q: A solenoid 50 cm long is wound with 500 turns of wire. The cross-sectional area of the coil is 2.0…

A: Given values-Number of turns, N=500Solenoids Length, l= 50 cm=50×10-2 mCross-sectional area= 2…

Q: A 200-loop circular armature coil with a diameter of14.0 cm rotates at150 rev/s in a uniform…

A: Given: Loop of circular armature coil is 200 Revolution is 150 rev/s Magnetic field  is 0.24 T

Q: 9000 Amp lightning bolt strikes a vertical pole 50.0 m from a worker holding a coil of  wire. The…

A: 9000 Amp lightning bolt strikes a vertical pole 50.0 m from a worker holding a coil of wire. The…

Q: The energy stored in the magnetic field of an inductor is 5kJ when the current flowing in the…

A: Given : U = 5 kJ = 5000 J I = 10 A

Q: Example: If a coil conductor is connected to a 3 kQ resistor, what would be the rated voltage and…

A: Example: The rated voltage(V) and the current(I). Given, Number of turnsN=3rate of change of…

Q: The coil in an electromagnet has an inductance of 1.7 mH and carries a constant direct current of…

A: Given that,Inductance, L=1.7 mH=1.7×10-3HDirect current, I=5.6 AInduced emf, ε=7.3 V

Q: While investigating the angle dependence of V you found the following graph. Which is the suitable…

A: Required : Relationship between V and theta.

Q: 1.What is the induced emf if the magnetic field through a 10 turn coil increases at a rate of .2…

A: The given data are: N=10Bt=0.2 T/sr=0.5 mV=2 V Here, N, B, r, and V represent the turns, magnetic…

Q: Rectangular Coil A rectangular coil with 6000 tums that has a resistance of 2.102 is coplanar with a…

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Q: A long solenoid with a axa square cross section has n turns per length nd sits iwth a verticla…

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Q: A coil with 209 turns has a magnetic flux of 45.1 nT-m² through each turn when the current is 2.44…

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Q: Find the self-inductance of a solenoidal coils with n turns per unit length and A cross sectional…

A: Magnetic flux =BA Cosθ

Q: A circular coil of wire having N turns has a radius a, resitance R and inductance L. The coil lies…

A:

Q: A current i(t) = (2A/s)t flows through a conducting coil which results in an emf of 5 = -6V.What is…

A: solution as

Q: primary voltage to many thousands of volts in order to produce electric sparks several inches long.…

A: Based on bartleby  policy I am only answering  1st three sub parts if you want complete  answer…

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 26-turn circular coil of radius 4.20 cm and resistance 1.00 N is placed in a magnetic field…

A: Given:Number of turns, N = 26 radius of the coil, r = 0.042 mressitance of the coil, R = 1.00 Ωangle…

Q: A 600-turn solenoid is 0.55 m long and 4.2 cm in diameter. Inside the solenoid, a small (1.1 cm x…

A: Given that-Permeability, μ0= 4π×10-7 T.m/ADistance, d1= 4.2 cmNumber of turns of primary coil,…

Q: We have a semicircular wire with equation x2 +y² = 4 according to the shape. %3D If the straight…

A:

Q: A square loop 36 cm on a side has a resistance of 14 ohms. It is initially in a magnetic field of…

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Q: A 21-turn circular coil of radius 4.40 cm and resistance 1.00 n is placed in a magnetic field…

A:

Q: A linear dc machine has a magnetic flux density B=1.2T directed out of the page, a resistance R=0.50…

A: Solution: given that B = 1.2 T V = 30 V R = 0.5 ohm

Q: A 10.0-cm-long solenoid of diameter 1.00 cm is wound uniformly with 800 turns. A second coil with 50…

A: Length of solenoid (L) = 10 cm = 0.1 m Diameter (2r) = 1 cm = 0.01 m Radius (r) = 0.005 m Number of…

Q: The figure below shows a toroidal coil of wire with N = 145 loops. If the flux through each loop is…

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Q: A solenoid of lenght 55 cm has 260 turns of radius 2.4 cm. A coil of radius 5 cm with 20 turns is…

A:

Q: A rectangular coil of length 0.5 m and breadth 0.4 m has resistance of 5 Q. The coil is placed in a…

A: To find-(1) Induced emf (e)=?(2) Induced current (i)=?Given-Length of coil (l)=0.5 mBreadth of coil…

Q: A coil of 15 turns and radius 10.0 cm surrounds a long solenoid of radius 2.40 cm and 1.00 103…

A: It is given that, the number of turns of the coil is N=15radius of the coil(r) =10 cm=0.1 mcurrent…

Q: energy stored in inductor

A:

Q: Suppose a large generator rotates in the Earth's magnetic field. The strength of this magnetic field…

A: The strength of the Earth's magnetic field isThe number of loops in the generator is The frequency…

Q: An inductor is made from 43 turns of wire wrapped around a rectangular plastic donut with an inner…

A: Given : No.of turns, n = 43 Inner radius, r1 = 1.5cm = 0.015m Outer radius, r2 = 2.5cm = 0.025m…

Q: Imagine that we have a large loop sitting flat on the screen with a radius = 58.7 cm that has a…

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Q: A long solenoid of cross-sectional area 5.0cm^2 is wound with 25 turns of wire per centimeter. It is…

A:

Q: A long solenoid has a diameter of 9.94 cm. When a current i exists in its windings, a uniform…

A: As it is not specified so according to Bartleby policy we are answering only the first question.

Q: A 29 cm circunference loop of wire has a resistance of 0 19 $2 The loop is placed between the poles…

A: Circumference of loop 2πr = 29 cm  Therefore, radius of loop r = 29 cm / ( 2 * 3.14 ) = 4.618 cm =…

Q: Induction and Inductance Consider the wires that carry electric current and are arranged as shown…

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Q: What is the magnetic field due to an inductor of length 10 cm that has 300 turns if 0.25 A of…

A: B = magnetic field due a inductor.  B= uo n i Where n = number of turns  i = current L= self…