Suppose you wrap wire onto the core from a roll of Scotch tape to make a coil. Describe how you can use a bar magnet to produce an induced voltage in the coil. What is the order of magnitude of the emf you generate? State the quantities you take as data and their values.

Q: Consider a 12-loop coil with a diameter of 8 cm; a north-leading bar magnet moves further away from…

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

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Q: The north pole of a magnet is moved toward a copper loop, as shown below. If you are looking at the…

A: To determine the direction of current in a loop, the concept of Lenz's law will be used. According…

Q: (b)     FIGURE 4 shows a 0.8 m long metal bar being pulled to the right at a steady speed of 5.8…

A: Length of metal bar, L = 0.8 m  Speed, v = 5.8 m/s Magnetic field, B =  667 mT = 0.667 T…

Q: A variable magnetic field is perpendicular to a 195-turn coil of area 0.305 m?. The magnetic field…

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Q: A rectangular loop with width L and a slidewire with mass m are as shown in figure 1. A uniform…

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Q: Suppose a coil of a book, as shown in figure below, and this book is lying on a table. The yertical…

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Q: A coil of wire with 10 turns and a radius of 1.5 cm is oriented with the plane of the coil…

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Q: Determine the magnetic induction at pin A in the figure for the conductor of electric current shown…

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Q: A circular coil with 200 turns has a radius of 2.0 cm. (a) What current through the coil results in…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A circular loop of wire is placed on the axis of a solenoid with a steady current supplied by a…

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Q: Figure below shows a conductor moving with a velocity v = 7.1 m/s to the left in the presence of…

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Q: 6. A rod slides along conducting rails which are connected to a resistor (R=2 N). The length of the…

A: a) value of induced emf = 4.35V b) magnitude of induced current = 2.175 A and direction is…

Q: A flexible circular loop 6.30 cm in diameter lies in a magnetic field with magnitude 1.26 T,…

A: Given information: The diameter of the circle (d) = 6.30 cm = 0.063 m The strength of the magnetic…

Q: A rectangular coil of wire has dimensions of 3 cm by 6 cm and is wound with 60 turns of wire. It is…

A: Given: The size of the rectangular coil is 3 cm X 6 cm. The number of the turns is 60. The strength…

Q: The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is…

A: Let B be the magnetic field directed into the page, and v be the speed of the bar. Write the emf (ε)…

Q: What is the source of the energy of the induced current when a bar of the magnet is inserted into a…

A: when a bar of the magnet is inserted into a coil of wire  then magnetic flux through the  coil…

Q: An inductor is built using a circular coil that is 0.50 m long, has a 10.0 cm radius, and consists…

A: (a)The self-inductance of the coil,

Q: The graph below shows the magnitude B of a uniform magnetic field that is perpendicular to the plane…

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Q: starting with the normal of the plane of the coil perpendicular to the field. Assume that the…

A: Induced emf in any generator E = Eo sinwt Where Eo = peak emf = NABW W = angular speed B= magnetic…

Q: The diagram shows a magnet and a coil of wire that is not carrying current. According to Lenz's law,…

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Q: Two concentric solenoids carry currents in opposite directions. The inner solenoid has 50 turns per…

A: a) Determine the current required in the outer coil.

Q: A 40-turn, 4.0-cm-diameter coil with R= 0.402 surrounds a 3.0-cm-diameter solenoid. The solenoid is…

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Q: A 120-V, series-wound dc motor draws 0.50 A from its power source when operating at full speed, and…

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Q: Determine the magnetic induction at point A in the figure for the conductor of electric current…

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

A: radius of loop (r) = 13 cm magnetic field (B) = 0.1 T time taken (t) = 0.18 seconds

Q: A coil of 100 turns is in the rectangular shape having two sides of 10.0 cm and 40.0 cm. The coil…

A: Given Length L = 40.0 cm = 40.0 x 10-2 m Breadth b = 10.0 cm = 10.0 x 10-2 m Number of turns N = 100…

Q: A circular loop in the plane of the page/screen lies in a 0.65T magnetic field pointing into the…

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Q: (a) A lightning bolt produces a rapidly varying magnetic field. If the bolt strikes the earth…

A: (a)

Q: A bicycle generator rotates at 1875 rad/s, producing an 18.0 V peak emf. It has a 1.00 by 3.00 cm…

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Q: A single turn coil of radius 4.50 cm is held in a vertical plane and a magnet is rapidly moved…

A: Ans:- Image-1

Q: An 18-kV neon sign is connected to a transformer and plugged into a conventional outlet (U.S.). If…

A: given: input voltage (V1)=18kV conventional output(V2)=120V turns in primary coil (N1)=300 Turns in…

Q: Figure a indicates a simple version of an alternator, a device that generates an emf. We rotate a…

A: Given  Area of loop = A  Angular speed of coil is w No of turns is 1. Emf induced is rate of change…

Q: The single rectangular loop of wire shown on the figure has a resistance of 2.0 2 and is lying on…

A: Resistance = 2 ohm  Magnetic Field = 3 T  Emf = 24 v  Area = 0.25 × 0.4   = 0.1 m2 Using ohms law…

Q: A bicycle generator rotates at 1,975 rad/s, producing a 17.5 V peak emf. It has a 46-turn, 1.00 by…

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Q: Q4) As shown in the figure, a circular coil of diameter d = 1 m and resistance R = 4 N is fully…

A: The induced emf is given by the rate of change of magnetic flux.  Magnetic flux is given by  ϕ= B→ .…

Q: A wire loop with an area of 2.4×10−2 m2m2 is in a magnetic field of 0.40 TT directed at an angle 30∘…

A: The equation for the induced EMF is given by, ε=-dϕdt=-dBAcosθdt=-AcosθdBdt=-AcosθBf-B∆t=BAcosθ∆t…

Q: Consider the RL direct current circuit shown. The circuit contains R = 4.0 Ω,  L = 10 mH, &  ε = 12…

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Q: A coil with a self-inductance of 3.0 H and a resistance of 100 Ω carries a steady current of 2.0 A.…

A: Part A. Inductance of the coil = 3 H Current through the coil = 2 A Magnetic energy stored will be…

Q: The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is…

A: SOlurion: Given that R = 5.6 ohm B = 2.5 T L = 1.2 m

Q: When a magnet is thrust into a coil as in 23.4(a), what is the direction of the force exerted by the…

A: Refer to Figure 23.4 (a). The direction of force is downward because motion of magnet is always…

Q: You drop a magnet north pole side down from a height (h) into a loop of wire, inducing a current.…

A: While dropping a north pole magnet in the loop of a wire  and then pull it away from the coil, there…

Q: A bicycle can be used to generate electric power by attaching a loop to the axle and letting it…

A: In a bicycle generator , when a coil rotates with some angular velocity in a magnetic field then…