This technology uses an electric generator to convert mechanical energy that comes from wind/ flowing river into electrical energy. As the coil of wire in the generator spins, an output potential difference is induced. Explain how the size of this induced potential difference varies as the coil of wire spins.

Q: Pablo sets identical magnetic carts on two tracks. At the end of each track is a large magnet that…

A: Given : Pablo sets identical magnetic carts on two tracks. At the end of each track is a large…

Q: A step-down transformer (turns ratio =1:8) is used with an electric train to reduce the voltage from…

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Q: A magnet is suspended next to a solenoid and is free to rotate. When current flows in the solenoid…

A: The given problem can be solved by using Lenz's law, according to Lenz's law the direction of the…

Q: During induction, earthing of the body is done for faster induction. a) True b) False

A: To State: During induction, earthing of the body is done for faster induction or not.

Q: True or False: The left hand rule can be used to determine the direction of rotation of an electric…

A: When a current-carrying conductor is placed under a magnetic field(B) , a force(F)  or thrust acts…

Q: Q18: A circular loop of area 10 cm darrying 8 A is placed in a uniform magnetic field parallel to…

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Q: QUESTION 7 You are looking down at a conducting loop and there is a extemal magnet field coming out…

A: QUESTION 7 According to right hand thumb rule, if thumb points in the direction of magnetic field…

Q: 6. A metal loop of radius 10 cm and resistance 200 Q is attached to an axle with a handle as shown…

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Q: Suppose that when you move a magnet through a 34.5-turn coil at a certain speed, a voltage of 81.8…

A: According to Faraday's second law Induced emf = rate of change of magnetic flux

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Q: Generator and Transformer - Applications of Electromagnetic Induction Electricity Generator Induced…

A: Given, The magnetic field, B=1.29T Number of turns, N=200 The radius of the coil, r=0.06m a. The…

Q: A student has curved magnets; paper clips; a battery, and 0.1 m of cuttable, bendable wire. The…

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Q: e 3. The rail gun: In the set up on the left the movable bar is initially at rest and then released.…

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Q: 5. In the figure below, a long rectangular conducting loop of width L, resistance R, and mass m, is…

A: Given: Here, B→→magnetic field into the pageL→Width of current carrying loopR→resistancem→mass Wire…

Q: We can change the direction of rotation of a DC motor by changing the polarity of the electric…

A: The direction of electromagnetic torque developed by armature of the DC motor depends upon the…

Q: A jet develops a 0.25 volt potential difference between the tips of its wings when flying above a…

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Q: Discussion: 1. Briefly, discuss the starter voltage of induction motor speed control. 2. What are…

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Q: 9. In an inductor, the current (I in Ampere) varies with time (t in seconds) as: (I = 5 + 16t). If…

A: Write the given values with suitable variables. V=10 mV=10×10-3 VI=5+16t A Here, v denotes the…

Q: Which of the following changes would increase the magnetic field strength at the center of the…

A: Magnetic field at the centre of solenoid is given by  B = uo nI     --(1) where n = number of turns…

Q: An iron core transformer is as shown in the figure. The primary coil has Np = 2000 turns and the…

A: The number of turns in the primary Np=2000 turns The number of turns in the secondary Ns=5000 turns…

Q: A coil of wire is connected to a voltmeter. A bar magnet is quickly inserted into the coil of wire…

A: An emf induces in the coil if it is placed in the changing magnetic field or if it is moving then…

Q: A bar magnet enters a long solenoid which has an ammeter attached in series to both ends. Explain…

A: This question refers to electromagnetic induction, in which a changing magnetic field within a wire…

Q: The maximum induced emf in a generator rotating at 200 rpm is 40 V. How fast must the rotor of the…

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Q: As the coil of wire in the generator spins, an output potential difference is induced. Explain how…

A: Given that As the coil of wire in the generator spins, an output potential difference is induced. To…

Q: This technology uses an electric generator to convert mechanical energy that comes from wind/…

A: If an electrical conductor moves relative to a magnetic field or if there is a change in the…

Q: 4. A toroid of circular cross section whose center is at the origin and axis the same as the z-axis…

A: Number of turns,N=500 ρ0=10 cm=0.1 m,a=2 cm=0.02 mCurrent,I=500 mA=500×10-3A From the ampere law,we…

Q: Two identical coils (coil A and coil B) of wire are mounted parallel so that their axes coincide.…

A: As one begins to run current through coil A, there is an increase in magnetic field associated with…

Q: ull speed, and it draws 2.0 Aw s 10 02. The motor operates at

A: Given: V=120 V I =0.5 A Resistance can be 10 ohm

Q: by how much is the maxium electromotive force produced by a generator changfe if its angular…

A: To determine: The correct option.

Q: Problem 4 Your textbook calls the electric generator "probably the most important technological…

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

Q: Small one-cylinder gasoline engines sometimes use a device called a magneto to supply current to the…

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Q: Suppose that you wish to construct a simple ac generator having an output of 12 V maximum when…

A: Given: The emf (V) output of the ac generator is 12 V. It is rotated at a frequency (v) of 60 Hz.…

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Q: The figure shows a rod of length L 8.84 cm that is forced to move at constant speed v 4.19 m/s along…

A: Given : Length of the rod. L = 8.84 cm = 0.0884 m Speed of the rod, v = 4.19 m/s Resistance of the…

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: On the freeway, there are also induction loops to detect cars’ speed. Concidering when you move a…

A: In the coil, the voltage is induced due to the relative motion between the coil and the magnet.

Q: You have the apparatus shown in Figure P21.13. A circular metal plate swings past the north pole of…

A: Given data: A circular metal plate swings past the north pole of a permanent magnet. The metal is…

Q: Which of the following statements about the earth's magnetic field is NOT true? O The south pole of…

A: a) The south pole of the earth's magnetic field is actually magnetic north. This statement is true.…

Q: QUESTION 6 A rigid circular loop has a radius of 0.20 m and is in the xy-plane. A clockwise current…

A: Given that, r=0.20 mM=0.75 A·m2B=0.20 T When the torque changes it position from minimum potential…