A 73 loops coil of wire 0.3m x 0.2m that has a magnetic field increases from -3T to 5T in 0.15s that is 60 degrees to the face of the coil. Calculate the A)induced emf and the B)current in the coil if it is connected to a 24 ohms resistor.

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

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Q: Suppose a 46 turn coil lies in the plane of the page in a uniform magnetic field that is directed…

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Q: 7 A 1x3 cm rectangular coil with 20 loops is rotated at a constant frequency of 60 Hz in a uniform…

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Q: An emf is induced by rotating a 1067 turn, 20.0 cm diameter coil in the Earth's 3.33  10-5 T…

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Q: A square coil of side 4cm and 200 windings lies perpendicular to a magnetic field of 4.0T. The coil…

A: The number of windings in the coil is N = 200. The magnetic field is B = 4.0 T. The side of the…

Q: Suppose a 50-turn coil lies in the plane of the page in a uniform magnetic field that is directed…

A: The induced emf is given by the rate of change of magnetic flux. e =dϕdt= BdAdt

Q: A 133-turn square wire coil with sides of length L = 18.4cm rotates about a vertical axis at…

A: Here given a 133 turn square wire coil with sides of length L = 18.4 cm. The vertical axis rotates…

Q: 2. A 5-turn square loop (10 cm along a side, resistance = 4.0 Q) is placed in a magnetic %3D field…

A: Given:Resistance,R=4Ωturn,N=5side,a=0.1 mAngle,θ=30°Function,B=0.5t2Time,t=4 sFind induced…

Q: A fixed 10.8cm diameter wire coil is perpendicular to a magnetic field 0.48T pointing up. In .16s,…

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Q: circular coil with a diameter of 13 cm is made up of thin wire wound into 450 turns. It is placed in…

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Q: A square coil of side 4 cm and 200 windings lies perpendicular to a magnetic field of 4.0 T. The…

A: Given: The side of the square is 4 cm. The number of winding is 200. The magnetic field is 4.0 T.…

Q: Circular wire coils with a diameter of 0.64 m are made up of 30 turns. In 0.40 s, it is turned 180…

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Q: Some electronic devices such as phones and watches can be charged wirelessly. In the charger, there…

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Q: A student winds a coil of area 35 cm2 with 34 turns. They place it horizontally in a vertical…

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Q: tin Progress coil with 186 turns, a radius of 5.73 x 10-2 m, and a resistance of 0.459 0 is exposed…

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Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient’s chest.…

A: Given: No. of turns of coil  N = 200 Change in area ∆A=39 cm2 =39×10-4 m2 Magnetic field B=50 μT…

Q: A closely wound 0.20 m × 0.20 m square coil of 100 turns is exposed to an external magnetic field of…

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Q: An emf is induced by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00×10−5 T magnetic…

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Q: A flat rectangular coil consisting of 100 turns measures 25 cmby 20 cm. It is placed in a 0.5 T…

A: a)The required change in magnetic flux is,

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient’s chest as…

A: According to Faraday's law of electromagnetic induction, the emf induced in the coil is directly…

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest as…

A: GivenNumber of turn in coil, N=195 turnIncrase in coil area, A=45 cm2Magnitude of Earth's magnetic…

Q: turns on her with a ter and 100 mm and 50 mm, respectively. The coil rotates in a uniform magnetic…

A: A rotating coil is placed in a magnetic field and a therefore a voltage is induced in the coil. If…

Q: An emfis induced by rotating a 1107 turn, 20.0 cm diameter coil in the Earth's 3.53 x 10-5T magnetic…

A: initial flux == Nπr2B= 1107×π×0.222×3.53×10-5 Wb

Q: coil of 1000 turns encloses an area of 0.024 m2, and it is rotated in 0.01 s from a position the…

A: According to Faraday's Second law  Induced emf is the rate of change of magnetic flux.

Q: Figure  shows a 100-turn coil of wire of radius 12 cm in a 0.15 T magnetic field. The coil is…

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Q: An emf is induced by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00 x 10-5 T…

A: Number of turns, N = 1000 diameter, d = 20 cm  radius, r =  10 cm = 0.1 m magnetic field, B = 5 x…

Q: Not sure how to start this problem

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Q: he Earth's magnetic field near the equator is 35.0 UT. A circular coil with 42 tums and a radius of…

A: Given:magnetic field, B=35 μTNo of turns, N= 42 turnsradius, r= 77 cmangle, θ = 265°change in time,…

Q: A certain elastic conducting material is stretched into a circular loop of 12.0 cm radius. It is…

A: The equation for the emf induced is

Q: The rectangular coils in a 355-turn generator are 13 cm by 19 cm.What is the maximum emf produced by…

A: Given: The number of turns is 355. The dimensions are 13 cm by 19 cm. The angular speed is 505 rpm.…

Q: The armature of a small generator consists of a flat, square coil with 120turns and sides with…

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Q: 23) ies in the x-y plane. A spatially uniform magnetic field points in the z direction. The field…

A: No of turns N = 20 turns Side of square loop a = 10 cm = 0.1 m Area of square loop = a² = 0.01 m²…

Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…

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Q: An emf is induced by rotating a 1047 turn, 20.0 cm diameter coil in the Earth's 3.13  10-5 T…

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Q: A 140-turn circular coil has diameter 5.0 cm . A magnetic field perpendicular to the coil is changing…

A: The figure shows the magnetic field on the axis of a current carrying circular coil.

Q: An emf is induced by rotating a 1447 turn, 20.0 cm diameter coil in the Earth's 5.53 x 10-5 T…

A: Given that, Number of turns is 14447 and Magnetic field of Earth is 5.53*10^-5T and time is 10ms.…

Q: changing magnetic flux. Calculate the average induced emf if each 10-turn coil has a radius of 1.50…

A: Faraday's law of induction states that an emf is induced in a coil when the magnetic flux associated…

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest as…

A: