A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T. The plane of the loop is perpendicular to the direction of the magnetic field. In a time interval of 0.50 s. the magnetic field changes to the opposite direction with a magnitude of 0.040 T. What is the magnitude of the average emf induced in the loop? (a) 0.20 V (b) 0.025 V (c) 5.0 mV (d) 1.0 mV (e) 0.20 mV

Q: A coil of wire containing 800 circular loops with cross section of 60 cm2 is placed between the…

A: Given:-  The number of turns n = 800  The cross-sectional area  A= 60 cm2 the magnetic field is…

Q: A 26-turn circular coil of wire has diameter 1.02 m. It is placed with its axis along the direction…

A: Given data:The number of turns is n=26. The diameter is d=1.02 m.The magnetic field is B=46.0 µT.The…

Q: E. One hundred turns of (insulated) copper wire are wrapped around a wooden cylindrical core of…

A: Given : Number of turns (N) = 100 Area (A) = 1.20 x 10-3 m2 Resistance (R) = 13 Ω Initial magnetic…

Q: A single loop of steel wire, lying flat in a plane, has an area of 8.60 cm2 and a resistance of 1.80…

A: Given :- area A= 8.60 cm 2 = 8.6 * 10-4 m2  resistance  R= 1.80Ω B = 0.500 T in 1.10 sec magnitude…

Q: A coil of wire containing 800 circular loops with cross section of 60 cm2 is placed between the…

A: Given:   No of loops in coil, N = 800 Cross-sectional area of the coil, A = 60 cm2 = 60 cm2 ×1…

Q: A 43-turn circular coil of wire has diameter 0.600 m. It is placed with its axis along the direction…

A: Given: Number of turns in the coil = 43 Diameter of the coil = 0.600 m The magnetic field of earth =…

Q: A circular coil of wire with 450 turns and a radius of 8.5 cm is placed horizontally on a table. A…

A: Given that, N=450 turns R= 8.5 cm =8.5x10-2 m B(t) = 0.03 ×t 2. T/s2 whereas, uniform magnetic field…

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: A 33-turn circular coil of wire has diameter 0.95 m. It is placed with its axis along the direction…

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Q: A 20-turn circular coil of wire has diameter 0.97 m. It is placed with its axis along the direction…

A: Given: The number of turns is 20. The diameter of the coil is 0.97 m. The strength of the magnetic…

Q: A coil of wire containing 800 circular loops with cross section of 60 cm2 is placed between the…

A: Given that,  Number of turns, N=800 Cross-sectional area, A=60 cm2=60×10-4 m2 Angle, θ=30o Rate of…

Q: A circular wire coil with 37 turns and radius 2.09 cm is placed in a uniform magnetic field of…

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Q: A loop of wire sits in an external magnetic field as shown (in other words, the field shown in the…

A: Let B1 and B2 denote the initial and the final magnetic field, ϕ1 and ϕ2 denote the initial and the…

Q: A coil of effective area 30 m² is placed in region where the magnetic field is initially zero.…

A: Given Data: NA = 30 m2 Bf = 1.25 T Bi = 0 ∆t = 0.15 s

Q: A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.061 T.…

A:

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

A:

Q: The magnetic flux through a coil of wire changes from 9T m- to zero in a time of 0.50 s. What is the…

A: 18 V

Q: A 19-turn circular coil of wire has diameter 0.90 m. It is placed with its axis along the direction…

A: Given data  no. of turns =  19 diameter = .90 m  Earth's magnetic field = 49.0 µT  angle = 180°…

Q: A 26-turn circular coil of wire has diameter 1.03 m. It is placed with its axis along the direction…

A: Given: Number of turns N=26, Diameter of coil D=1.03 m, Magnetic field B=44 μT=44×10-6 T, Time…

Q: A 26-turn circular coil of wire has diameter 0.91 m. It is placed with its axis along the direction…

A:

Q: There are 163 windings around a cylinder made of a non-magnetic material. The cylinder has a radius…

A: Given that,For a solenoid the the magnetic inside it parallel to its length, Therefore the flux…

Q: A closely wound rectangular coil of 80 turns has dimensions of 25.0 cm by 40.0 cm The plane of the…

A: The formula to calculate the induced emf is given by, ε=-dϕdt Given that, the angle between the…

Q: The 30.0 ?? × 60.0 ?? rectangular circuit of the picture is perpendicular to a uniform magnetic…

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Q: square, single-turn coil 0.27 m on a side is placed with its plane perpendicular to a constant…

A: square, single-turn coil 0.27 m on a side is placed with its plane perpendicular to a constant…

Q: A coil has an area of 100 cm with 198 turns connected across a 5.00 2 resistor to form a closed…

A:

Q: A uniform magnetic field passes through a circular loop of perfectly conducting wire with a loop…

A: Faraday's Law of Electromagnetism: According to this law, the EMF. generated in the loop when the…

Q: A circular loop of wire has its radius shrink from 3 m to 1.5 m over 5 seconds. The area vector of…

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

Q: circular loop of copper wire has a radius of 12 cm and a resistance per unit length of 3.3 x 10-2…

A:

Q: An elastic conducting material is stretched into a circular pop of 15.9 cm radius. It is placed with…

A:

Q: A single loop of steel wire, lying flat in a plane, has an area of 7.80 cm² and a resistance of 1.80…

A:

Q: A single loop of aluminum wire, lying flat in a plane, has an area of 7.80 cm? and a resistance of…

A: Area of the loop,  Resistance,  Initial magnetic field,  Final magnetic field,  Time taken,

Q: A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The…

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Q: A circular wire coil with 25 turns and radius 1.02 cm is placed in a uniform magnetic field of…

A:

Q: A physician is using a device, with a thin circular coil of current-carrying wire of radius 1.7 mm,…

A: Given Data : The radius of the circular coil is given as r=1.7mm×1m1000mm=1.7×10-3m The final…

Q: A 0.300 mm diameter copper wire makes up a 85.0 turns, 7.90 cm diameter coil. There is a magnetic…

A:

Q: A circular coil (830 turns, radius = 0.048 m) is rotating in a uniform magnetic field. At t = 0s,…

A: Given : Number of turns in the coil, N = 830 Radius of the coil, r=0.048 m Time taken to rotate the…

Q: What is the induced current (in mA) in the loop of wire over this time?

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Q: An electromagnet is turned on to produce a magnetic field that stabilizes at 3 T after 0.5 s. A…

A: Field, B = 3 T Time, t = 0.5 s Radius, r = 0.1 m Number of turn, N = 1

Q: A single loop of copper wire, lying flat in a plane, has an area of 7.40 cm2 and a resistance of…

A: Area of the loop A=7.40 cm2 ResistanceR=1.80 Ω Initial magnetic FieldBi=0.500 T Final magnetic…

Q: Anupright rectangular loop of height a and width b has a lightbulb attached to it, with some…

A:

Q: A toroidally wound coil haş an inner radius of 20 cm, an outer radius of 30.cmand is Wound with…

A: To find- Magnitude of magnetic induction (B)=? Given- Central radius, r=12(20+30)=25 cmr=0.25…

Q: A single loop of copper wire, lying flat in a plane, has an area of 7.80 cm2 and a resistance of…

A:

Q: A loop of area 225 cm2 has 24 turns of wire. It is in a magnetic field of strength 3.6 x 10-2 T. To…

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Q: v = 2.5 m/s l = 94.5 cm

A: Given: The length of the rod is 94.5 cm. The speed of the rod is 2.5 m/s. The induced emf is 2 V.

Q: A 24-tum circular coil of wire has diameter 1.09 m. It is placed with its axis along the direction…

A:

Q: A circular coil (670 turns, radius = 0.079 m) is rotating in a uniform magnetic field. At t = 0 s,…

A: Given data: Number of turns is N=670. Radius of coil is r=0.079 m. Angle made at ∆t=0.020 s is…