A metal rod is pulled along two frictionless, conducting rails in a magnetic field. The rod and rails have negligible resistance, but are connected to a resistor.

Q: A circular wire loop of radius 5 cm resides in a constant magnetic field of 500 Tesla. The direction…

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Q: A conducting loop of wire is placed in a magnetic field that is normal to the plane of the loop.…

A: It is given in the question that induced current in the loop should be zero. According to Ohm's Law:…

Q: 000 0000000000 OOOOO0.0 What is the length of the rod? m DO DO *o0||0000000000 A rod is moving from…

A: Solution: Given: A rod is sliding on the parallel rails. The system is placed in magnetic field. The…

Q: The square loop as in the figure is made of wires with total resistance R =7.7 Q. The loop is placed…

A: The induced emf is given by  where, B is the magnetic field, A is the area and t is the time.

Q: A thin conducting rod of length b is rotated with constant angular speed w on a horizontal circular…

A: From the question, it is given that- Length of conducting rod = b Distance of rod from centre = a…

Q: At a particular point on Earth, the magnitude of the Earth's magnetic field is 3.50 x 10-5 T. At…

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Q: A circular wire loop is placed in a uniform magnetic field region such that its plane is…

A: According to Faraday second law  Induced emf is directly proportional to rate of change of magnetic…

Q: The figure below shows a long straight wire just touching a circular loop carrying a current I1 =…

A: (a) Current in the circular loop is in counterclock wise direction. Applying right hand thumb rule,…

Q: An L = 57.0 cm wire is moving to the right at a speed of v = 8.10 m/s across two parallel wire rails…

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Q: A conducting bar of mass m = 18.0 g and resistance R = 1.89 N slides down two conducting rails that…

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Q: The drawing shows that a uniform magnetic field is directed perpendicularly into the plane of the…

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Q: The copper sheet shown below is partially in a magnetic field. As it is pulled to the right, it…

A: We have to use here Lenz's law.

Q: A planar loop consisting of four turns of wire, each of which encloses 200 cm?, is oriented…

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Q: A magnetic field passes through a stationary wire loop, and its magnitude changes in time according…

A: Electromagnetic theory tells that the time varying magnetic flux produces the induced voltage across…

Q: A copper wire, connected in series with a 100-2 resistor, is formed into a rectangular loop whose…

A: (a) Induced emf is ε=∆ϕ∆t=∆BA∆t=A∆B∆t=lb∆B∆t=2.0 m×3.0 m2.30 T0.30 s=46 V

Q: A circular wire loop is placed in a uniform magnetic field region such that its plane is…

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Q: In the figure below, an iron bar sitting on two parallel copper rails, connected to each other by a…

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Q: XX X X X B X XX X X Problem 2. A square loop of side L sits at the edge of a uniform magnetic field…

A: Given :L=20 cmB= 0.35 T

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: An ?=45.0 cm wire is moving to the right at a speed of ?=7.90 m/s across two parallel wire rails…

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Q: A circular conducting loop of 5 turns of wire and radius 0.40 m has a resistance 20.00 of. It lies…

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Q: In the figure, a conducting rod (shown with red outline) is pushed such that it moves at constant…

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Q: Two straight conducting rails form a right angle as shown in the figure. A conducting bar with the…

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Q: An L = 51.0 cm wire is moving to the right at a speed of U = 7.50 m/s across two parallel wire rails…

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Q: Suppose that when you move the north pole of a bar magnetic toward a coil it induces a positive…

A: According to Faraday's law, when a conductor is placed in varying electromagnetic flux, then an…

Q: two frictionless conducting rails (#1 and #2) are attached to a 20.0° incline such that the inside…

A: This question is based on moving charges and magnetism topic. Knowledge of the formula of magnetic…

Q: 2. A bar of length L = 0.1 m with mass m = 0.5 kg moves on two frictionless parallel rails in the…

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Q: A loop of wire in the shape of a circle has a magnetic field directed perpendicular to the plane of…

A: Magnetic flux : ϕ=∫B.dA According to Faraday's law: E=-dϕdt

Q: A flat coil of wire consisting of 20.0 turns, each with an area of 50.0cm², is positioned…

A: Given: A flat coil of wire consisting of turns,N=20.0 ,  The area of each coil,A= 50.0 cm2 Change in…

Q: We have seen that a long solenoid produces a uniform magnetic field directed along the axis of a…

A: Consider the figure below.

Q: What is the maximum value of the emf produced when the coil is spun at 1000 rev/min about an axis…

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Q: A generator has a coil with 1260 turns that are each 0.020 m in diameter. The coil rotates at 3600…

A: A generator has a coil with 1260 turns that are each 0.020 m in diameter. The coil rotates at 3600…

Q: 8. Assume that the resistance of the lightbulb is 6 Ω, the length of the bar is 1.2 m, and a uniform…

A: Given values: Resistance, R=6 Ω Length of the bar, l=1.2 m Magnetic field ,B=2.5 T Current, I=0.5 A…

Q: In the figure, a rod with L=85.0cm moves in a magnetic field with magnitude B=0.850T. The emf…

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Q: A train is moving directly south with a speed of 10 m/s. if the downward vertical component of the…

A: Given data: Speed of train, V=10 m/s Earth's magnetic field, B=0.54 G Length of the rail car axle,…

Q: A 40-loop circular coil has a radius of 5.0 cm. It is placed in a magnetic field so that the field…

A: Given: The number of the loop is 40. The radius of the loop is 5 cm. The angle between the magnetic…

Q: At a particular point on Earth, the magnitude of the Earth's magnetic field is 2.50 ✕ 10−5 T. At…

A: Given that the magnetic field is 2.5 × 10-⁵ T. The area of the loop is 40 cm². We have to find the…

Q: An L = 49.0 cm wire is moving to the right at a speed of v = 7.70 m/s across two parallel wire rails…

A: Given that: The length of the wire L=0.49 m The velocity v=7.70 m/s Uniform magnetic field B=0.850 T…

Q: 1.1- mm long rod rotates about an axis through one end and perpendicular to the rod, with an angular…

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Q: A conducting bar of mass m = 18.0 g and resistance R = 1.89 N slides down two conducting rails that…

A: The voltage induced across the conducting bar during the terminal velocity vt in the magnetic field…

Q: A copper wire, connected in series with a 100-2 resistor, is formed into a rectangular loop whose…

A: Resistance of resistor: R = 100 Ω  length of rectangular loop: l = 2.0 m Breadth of rectangular…

Q: The square loop as in the figure is made of wires with total resistance R=6.4 N. The loop is placed…

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Q: The rectangular loop shown in the figure is pushed into the magnetic field which points inward. X X…

A: Dircetion of induced current

Q: According to Ampere's law, the line integral of the magnetic field around a closed path depends on…

A: According to the ampere's Circuital Law, the line integral of the magnetic field around some closed…

Q: Calculate the induced electric field in a 59-turn coil with a diameter of 15 cm that is placed in a…

A: Given: The number of turns is 59. The diameter of the coil is 15 cm. The initial magnetic field is…

Q: 9. A rectangular loop of wire (width W=9.00 cm) is moving as shown in the drawing with a speed of…

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