A wire loop with an area of 1.4×10−2 m2 is in a magnetic field of 0.36 T directed at a angle 30 to the plane of the loop. If the field drops to zero in 36 msms , what is the average induced emf in the loop?

Q: A single circular loop of wire of radius 0.46m is positioned in a uniform magnetic field of 0.47T…

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Q: A coil with 8 turns has square loops measuring 0.2m on a side and a resistance of 3Ω. It is placed…

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Q: A 109 turn circular coil of radius 2.01 cm is immersed in a uniform magnetic field that is…

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Q: 1. A circular coil consists of 500 turns of wire. It has a radius of 20 cm and a uniform magnetic…

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Q: What is the EMF induced in a loop conductor if the loop consists of 20 turns, the area of the loop…

A: Write the expression for change in magnetic flux passing through the coil when the area of…

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

A: Given :-N = 50 turnB = 1.5 TA = 0.175 m2∆t = 0.275 s

Q: Suppose a 52-turn coil lines in the plane of the page in a uniform magnetic field that is directed…

A: According to Faraday's law of electromagnetic induction, when magnetic flux linked with coil changes…

Q: A coil that is wound with 50 turns of wire in the shape of a square is placed in a magnetic field…

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Q: A fixed 12.4-cm-diameter wire coil is perpendicular to a magnetic field 0.71 T pointing up. In 0.23…

A: Diameter of coil, d=12.4 cm⇒0.124 m Initial magnetic field, B1=0.71 T Final magnetic field, B2=0.24…

Q: A prototype of an MRI consists of a set of 400 coils each having a radius of 0.30 m. To test its…

A: V=∆ϕ∆t=NBA∆t=NBπR2∆t=4001.2 T3.140.30 m23.6 s=37.7 V

Q: Ten coils of square wire, with side 0.42 m, are inside a magnetic field, so that field is…

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Q: The magnetic field through a coil change from 7 nT to 9 nT in 5 seconds. If the coil has 3500 turns…

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Q: The 10 cm diameter permanent magnet pole face produces 4mWb of flux. A 50 cm long conductor cuts…

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Q: A rectangular coil 0.055m by 0.085m is positioned so that its cross-sectional area is perpendicular…

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Q: A 75-cm side length square coil has 125 turns. An initial uniform magnetic field of strength 11.5 mT…

A: Length of side of square coil, a = 75cm = 0.75 m Magnetic field,  B = 11.5mT = 11.5×10-3T Number of…

Q: directed perpendicular to the plane of the coil. Calculate the magnitude of the average emf that is…

A: Given value--- no of turns = 53 . dimension = 5 cm × 10 cm . magnetic field = 0 T to 0.510 T . time…

Q: A TMS (transcranial magnetic stimulation) device creates very rapidly changing magnetic fields. The…

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Q: A circle wire loop with a radius of 1 m is in a 0.5 T magnetic field. Then over 0.2 seconds it is…

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Q: A 151 turn circular coil of radius 2.23 cm is immersed in a uniform magnetic field that is…

A: number of turns = N = 151 Radius = r = 2.23 cm = 0.0223 m time interval = dt = 0.117 s increase in…

Q: What is the peak emf generated by rotating a 1070-turn, 16 cm diameter coil in the Earth’s 5·10−5 T…

A: Number of turns (N) = 1070 Diameter (d) of coil = 16 cm = 0.16 m Magnetic field (B) = 5×10-5 T Time…

Q: Suppose a 51-turn coil lies in the plane of the page in a uniform magnetic field that is directed…

A: This is a case of changing magnetic flux so Faraday's law will be applied which tells us that…

Q: A conducting wire shaped in a "U shape" is connected to a 5 ohm light bulb. The 0.8 T external…

A: The objective of the question is to calculate the induced electromotive force in a conducting wire…

Q: If the coil of a generator has 120 loops with an area of 0.49 m², what is the maximum emf produced…

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Q: What is the magnitude of the average emf & induced as the coil is rotated? Express your answer in…

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Q: A coil with 50 turns is rotating in a magnetic field. If the magnetic flux changed from 7.5 x 10^2…

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Q: is a square of side 18 c form magnetic field directed perpendicular to t e coil is turned on. If the…

A: Induced EMF is the change in potential difference due to a change in the magnetic flux of a coil,…

Q: A coil with 20 turns of wire is wrapped around a tube with a cross-sectional area of 1.0 m2. A…

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Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…

A: Given: The strength of the initial magnetic field is zero. The strength of the final magnetic field…

Q: A 80-cm side length square coil has 145 turns. An initial uniform magnetic field of strength 6.5 mT…

A: Given:-             B = 6.5 mT L = 80 cm N = 145 turns

Q: A prototype of an MRI consists of a set of 1400 coils each having a radius of 0.20 m. To test its…

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Q: Consider a rectangular loop of wire 6.9 cm by 9.0 cm in a uniform magnetic field of magnitude 1.1 T.…

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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: A circular loop of wire with radius of 0.1 meters is placed in a uniform magnetic field that…

A: The problem is asking us to calculate the induced electromotive force (EMF) in a circular loop of…

Q: A 0.9 m x 0.3 m rectangular coil with 15 loops is placed on a changing magnetic field. The magnetic…

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Q: A 10-turn generator coil with area 0.150 m2 rotates in a 1.25-T magnetic field. At what frequency…

A: The emf (electromotive force) induced in a rotating coil is given by the equation: emf = NABωsin(ωt)…

Q: A 10 cm long wire moves at a constant speed of 4 m/s in a direction that forms a angle of 80° with…

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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: The number of turns in the coil is given as, N=1000 turns, The diameter of the coil is given as,…

Q: A square loop of wire is held in a uniform 0.24 T magnetic field directed perpendicular to the plane…

A: The equation for the induced emf is given by,

Q: Consider a square-shaped conducting coil with 50 turns of wire. Each turn of the wire has a length…

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Q: Suppose a conducting rod is 87 cm long and slides on a pair of rails at 2.5 m/s. What is the…

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Q: A straight line conductor of length 0.4 m is moved with a speed of 7 m/s perpendicular to a magnetic…

A: To Find: Incuced e.m.f. (e) Given that, Length (l) = 0.4 m Speed (V0 = 7 m/s Magnetic Field (B) =…

Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…

A: Answer :-  Given  Magnitude of magnetic field (B) = 1.6 T  Angle ( theta ) = 450 Diameter of the…

Q: A magnetic field is directed at an angle of 40 degrees with respect to the plane of a square coil…

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