A metal wheel with 8 metallic spokes, each 60 cm long is rotated at a speed of 100 rev./min in a plane perpendicular to earth magnetic field of 0.3 ×10T. Find the magnitude of the induced emf between the axle and the rim of the wheel.

Q: A 1.70 m bar moves through a uniform, 1.70 T magnetic field with a speed of 2.00 m/s.

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Q: A 1.70 m length of wire is held in an east–west direction and moves horizontally to the north with a…

A: Given data: Length of wire is, L=1.70 m. Speed of wire is, v=14.8 m/s. Vertical component of Earth's…

Q: connected to each other by a resistor, is pulled to the right at a constant speed. The resistance…

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Q: nigure, a metal rod is force move with constant velocity along two parallel metal ralls, connected…

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Q: A pair of parallel conducting rails that are separated by a distance d-0.2 m lies at a right angle…

A: Given:Distance between the conducting rails: d=0.2 mMagnetic field: B=0.8 TResistance of the…

Q: A 0.31 m long and 0.31 m wide loop is moved at a constant velocity of 0.87 m/s into a perpendicular…

A: The width of the loop w=0.31 m The velocity of the loop v=0.87 m/s The magnetic field B=0.73 T The…

Q: A circular coil of wire with a radius of 0.28 m is exposed to magnetic field perpendicular to the…

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Q: A train travels at 7.7 m/s due east. Calculate the induced emf between the ends of a horizontal axle…

A: Given  Train travel at 7.7 m/s due east.  V = 7.7 m/s  Axle is ,7.9 m long,  L = 7.9 m  Earth…

Q: A 2.20 m length of wire is held in an east–west direction and moves horizontally to the north with a…

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Q: A DC motor powered by a 15.0 V power supply has a 100-turn square coil with sides of length 10.0 cm…

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Q: In the figure, a metal rod is forced to move with constant velocity along two parallel metal rails,…

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Q: In the figure below, two straight conducting rails form a right angle. A conducting bar in contact…

A: Given data B=0.395 Tv=7.53 m/sec

Q: (a) A 13.0 m long, thin, uniform metal rod slides north at a speed of 29.0 m/s. The length of the…

A: length of the rod, L=13.0mspeed of the rod towards the north, v=29m/smagnetic field,

Q: A circular loop of wire of radius 12.0 cm is placed in a magnetic field directed perpendicular to…

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Q: A 0.79-m aluminum bar is held with its length parallel to the east-west direction and dropped from a…

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Q: A coil of wire consists of 20 turns each of which has an area of 0.0015 m². A magnetic field is…

A: The magnetic effect on moving  charges,  currents, and magnetic materials is represented by a…

Q: A circular loop whose radius is changing over time as 1.4sin(47.3t) +0.3 meters is placed in a…

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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 rectangular loop consists of 100 closely wrapped turns and has dimensions 0.40 m by 0.30 m. The…

A: We know that torque acting on the coil when placed in themagnetic field is τ = NIABsinθ Where, θ =…

Q: A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s about an axis normal to…

A: Given-Length of the rod, l= 1 mAngular frequency, ω=400 rad/sMagnetic field strength, B=0.5 T

Q: A rectangular loop has dimensions of 8cm x 5cm and 75 turns. The loop has a total resistance8 Ωand a…

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Q: A long solenoid has 1,000 turns per meter and carries a current 1 = (100 A) (1-e-t/5.00 s). Inside…

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Q: 0.66-m aluminum bar is held with its length parallel to the east-west direction and dropped from a…

A: Write the given values of this problem- Length of the aluminium bar(L) L=0.66 m Speed(V) V=17 m/s…

Q: In the figure below, a metal bar sitting on two parallel conducting rails, connected to each other…

A: When metal bar having length (L) will move with constant speed (v) in a uniform magnetic field (B)…

Q: A 1.60 m long rod rotates about an axis through one end and perpendicular to the rod, with a…

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Q: A coil with 200 turns is placed in a uniform magnetic field with a flux of 0.628 mT/m². Then the…

A: Faraday's law states that when a conductor is placed inside a varying magnetic field the change in…

Q: An electric generator contains a coil of 100 turns of wire, each forming a rectangular loop 50.0 cm…

A: (given) Number (N) of turns = 100 Magnetic field (B) = 3.50 T Area (A) = 50 cm ×30 cm…

Q: A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s-1 about an axis normal…

A: The length of the rod is 1.0m, angular frequency is 400rad s-1, and the magnetic field is 0.5T.…

Q: A 19-turn circular coil of wire has diameter 0.91 m. It is placed with its axis along the direction…

A: No. of turns =  19Diameter = 0.91 m Earth's magnetic field = 51.0 µT Angle = 180°Time =0.200 s…

Q: A 2.25 m length of wire is held in an east–west direction and moves horizontally to the north with a…

A: In the following problem,  We have a wire of length l held in in east-west direction and moves…

Q: A 1.0-m long straight wire is held in a horizontal east-west orientation and is then dropped.…

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Q: revolutions per second in a magnetic field of (5.160x10^-1) T. The maximum EMF generated is:

A: The req answer is given below.

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

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Q: the maximum torque on the motor

A: the maximum torque on the motor is 0.03 N m

Q: A uniform magnetic field makes an angle of 30 degrees with the normal to the surface of a circular…

A: We will first write an expression for magnitude of emf induced in a loop. We then use the given…

Q: In the figure two straight conducting rails form a right angle. A conducting bar in contact with the…

A: Given, Velocity of the conducting bar is v=5.2 m/s Magnetic field , B=0.35 T   The area of the…

Q: A conducting rod of length 40.0 cm is free to slide on two parallel conducting bars. A resistor…

A: Given: l=40cmR=5ΩB=2.50Tv=10.0m/s

Q: A square coil, enclosing an area with sides 8.32 cm long, is wrapped with 5666 turns of wire.  A…

A: The average voltage induced can mathematically be given by, Vavg=-NAdBdt dBdt is the rate of change…