A coil with a wire that is wrapped 40 turns around a 0.5 m2 hollow tube.  A uniform magnetic field is applied perpendicular to the plane of the coil.  The field changes uniformly from 0.00 T to 0.95 T in 2.0 s.  If the resistance in the coil is 3.0 Ω, what is the induced emf in the coil? Group of answer choices -3 V 0 V -1 V -10 V -9.5 V

Q: The flexible loop in the figure below has a radius of 10 cm and is in a magnetic field of strength…

A: radius, r = 10 cm  magnetic field, B = 0.19 T  time, t = 0.19 s radius, r = 10 cm radius, r = 10 cm…

Q: The coil in a 60-Hz ac generator has an area of 3.0 x 10^-2m^2 and is rotated in a 0.12 T magnetic…

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Q: The magnetic flux that passes through one turn of a 17-turn coil of wire changes to 4.12 from 10.3…

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Q: A car alternator produces peak output Vo to charge the car's 12 V battery. Suppose the alternator…

A: Given Data :The maximum voltage output is The diameter of coil is Revolution frequency is The…

Q: A car generator turns at 390 rpm when the engine is idling. Its 296-turn, 5.04 cm by 7.99 cm…

A: Given data, 390 (rpm); N=296-turns; rectangular coil having, a=5.04 cm, b=7.99 cm; peak emf, ε=24.4…

Q: A solenoid consists of 400 turns per centimeter and the radius of windings is 1.382X10^-2 m. Current…

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Q: a b -b- A coil with a = 10.800 cm and b = 13.000 cm is in the same plane with a long straight wire.…

A: The objective of this question is to calculate the electromotive force (emf) in a coil at a given…

Q: A 4.00×10-2 Ω square wire loop 15.0 cm on a side has its plane normal to a uniform magnetic field of…

A: The objective of the question is to find the average emf and the average current during the time…

Q: A square wire with 2 m sides is perpendicular to a uniform magnetic field, with half the area of the…

A: Given data, Length L=2 m EMF of battery ε=20 V Magnetic flux B=1.041-0.84t

Q: A circular loop of wire with radius 3 m is flat on the xy plane in a magnetic field which is pointed…

A: Given: Initial Radius of loop (R) = 3.0 m. Final radius of loop (r) = 1.5 m. Changing time (dt) =…

Q: An emf of 0.50 V is induced across a coil when the current through it changes uniformly from 0.20 A…

A: solution is given by

Q: A single loop of wire with an area of 0.0920 m2 is in a uniform magnetic field that has an initial…

A: The objective of the question is to find the electromotive force (emf) induced in the loop and the…

Q: 5. A wire forms a closed square loop of side b = 16.0cm as shown in the figure. A long conductor in…

A: Solution: as given in the problem b = 16 cm a = 12 cm I = 4.5t2-10t

Q: The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into…

A: We know,   Magnetic flux  Φ=BA as magnetic field B is constant so change in magnetic flux…

Q: 7. A rod of length, L = 10 cm is forced to move at constant speed v = 5.00 m/s along path parallel…

A: Emf is  equal to the work done per unit charge

Q: In each of two coils the rate of change of the magnetic flux in a single loop is the same. The emf…

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Q: An AC generator has 80 rectangular loops on its armature. Each loop is 15 cm long and 9 cm wide. The…

A: The expression for the maximum output voltage,

Q: square wire loop is held in a uniform 4 T magnetic field directed perpendicular to the plane of the…

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Q: . A segment of wire 5.3 cm long is moving at a velocity of 6.68 m/s toward a parallel (much longer)…

A: Given Data:The length of the wire is The velocity of the wire segment is The current in the wire is…

Q: You wish to construct a solenoid with a diameter of 2.00 cm that will produce a magnetic field of…

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Q: A current of 5.75 A flows in the coil of wire from an applied voltage of 120 V. The motor operates…

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Q: 36. A solenoid of length 0.75 m has a radius 0.092 m. A current of 25 A flows through its 4 700…

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Q: If a coil of wire in a magnetic field rotates 60 degrees, it provides an emf averaging 0.19 VV. If…

A: We are given the initial condition of coil. We find the initial magentic flux and final magnetic…

Q: A square a x a coil has N turns. A uniform magne

A: Each side of a square coil=a  Number of turns=N Area of the square=a2 n^n^ is the unit vector…

Q: Consider an airplane below. When it is moving with a speed of 225 m/s, how much the emf induced…

A: Given: The speed of the plane is 225 m/s. The distance between wings is 60 m. The strength of the…

Q: The resistances of the primary and secondary coils of a transformer are 56 and 14 V, respectively.…

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Q: A rectangular coil with dimensions 0.18 m by 0.27 m has 550 turns of wire. It is rotated about its…

A: Rectangular coil area "A"= 0.18×0.27 m² No. Of turns "N"= 550  magnetic field "B"= 0.56 T  maximum…

Q: A circular wire coil with 29 turns and radius 1.48 cm is placed in a uniform magnetic field of…

A: The number of turns in the coil is The radius of the coil is The initial magnetic field is The final…

Q: 38. A magnetic field B= 0.6T is directed upward through a circular loop of diameter 7 cm and 500…

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Q: A circular wire coil with 30 turns and radius 1.07 cm is placed in a uniform magnetic field of…

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Q: Below is a Motional EMF problem with a sliding, conducting bar connecting a wire loop within a…

A: Given:- The velocity of the bar V = 25.0 m/s  The magnetic field B = 0.640 T  The resistance in the…

Q: In the diagram below, a rectangular 40 loop coil of width w=10 cm and length l= 14 cm begins in a…

A: Given number of loops=40 Width(w)=10 cm Length (l)=14 cm Magnetic field=1.3 T Time period=3 s…

Q: The magnetic flux through a coil of wire Λ changes from 30T *m ^ 2 to zero in a time of 0.50 s. What…

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Q: A current runs in a long solenoid of a radius 3 cm and 437 turns per meter. The current in the…

A: Radiusof long solenoid  (r) = 3 cm = 0.03 m Number of turns per meter (n) = 437 Rate of increase of…

Q: During a 58-ms interval, a change in the current in a primary coil occurs. This change leads to the…

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Q: A loop of wire with 200 turns and an area of 0.20 m² is placed so the plane of the loop is…

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Q: The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s.…

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Q: -.0 cm Isol 2.0 cm sol (A) 20 -20 N. 2 3 -1 (s)

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Q: The bolt of lightning depicted in the figure passes 200 m from a 90 turn coil oriented as shown. If…

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Q: An AC generator with ten turns of wire, each having area A = 0.08 m?, and having a total resistance…

A: Given, Number of turns N = 10 turns             Area A = 0.08 m2            Resistance R = 12.0 Ω…

Q: A circular coil with an area of 5.0 x 102 cm² and with 500 turns of wire is placed in a uniform…

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.