9. Change to the 'Transformer' tab. Why do you think this is called a 'transformer'?

Q: 10. An electric power station that operates at 15 kV and uses a 15:1 step-up ideal transformer is…

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Q: Part 3. Use the following table to answer the questions below: Transformer A B C D Input voltage 240…

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Q: A transformer has a primary coil with 120 turns and secondary coil with 2000 turns. Transformer runs…

A: Given that , A transformer has a primary coil with 120 turns and secondary coil with 2000 turns.…

Q: 8. A pair of power transmission lines each have 2.50-2 resistance and carry 650 Amp. If the primary…

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Q: 8. A transformer used to step up 110 V to 5000 V has a primary coil of 100 turns. What must be the…

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Q: IN to vulla e

A: The phenomenon of inducing voltage is known as electromagnetic induction. Voltage can be induced…

Q: 50. Your home's electric doorbell operates on 10 V. Should you use a step-up or step-down…

A: The operating voltage of the electric bell is The input voltage is The output voltage is

Q: 3. Two coils of wire are placed one above the other. A current flow through the bottom coil. An EMF…

A: According to Faraday's law rate of change of electric current can produce electric current or induce…

Q: Two coils are placed close together in a physics lab to demonstrate Faraday’s law of induction. A…

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Q: You want to step down a source with 1200[V] via transformer to 120[V] for your home. If the…

A: Given data:  Input voltage (Vp) = 1200 V Output voltage (Vs) = 120 V Number of primary turns (Np) =…

Q: .  A laptop computer requires 24 volts to operate properly.  A transformer with 600 turns in the…

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Q: Which of the following would decrease the current produced by a generator

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Q: Suppose you slowly move a bar magnet near a coil of wire. You then move the bar magnet near the coil…

A: Given A bar magnet move near to a coil. First time bar magnet move slowly, Second time bar magnet…

Q: What is the type of core material of the transformer?  a. Silicon steel b. Iron c. Copper d.…

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Q: 37. "Moving the magnet toward or away from the coil." "Moving a current carrying coil toward or away…

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Q: The torque on a solenoid in a magnetic field is not a function of its ____. A. loop area B. number…

A: torque = force x radius force in magnetic field  = i*l*B                            i = current    l…

Q: s of getting mechanical energy to run a gener

A: MECHANICAL ENERGY:-  Mechanical energy is defined as the energy of an object due there motion and…

Q: Why Hysteresis Losses of DC motor is constant?   a. It does not depends on load current b. none…

A: Why Hysteresis Losses of DC motor is constant?a. It does not depends on load current b. none of the…

Q: 4. (a 5) Power stations are normally far away from the customers. A transformer is often used to…

A: Given that- 5. (a) A TRANSFORMER TO DETERMINE THAT why do we use to high voltage to transmit the…

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: The primary of a transformer has 120 turns, while the secondary of the same transformer has 300…

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Q: 6. Audrey disassembles the control box of her electric train and finds a small transformer inside.…

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Q: A transformer is a way to increase the electrical energy from one coil to the adjacent coil. This…

A: The transformer works on the principle of mutual induction. Mutual induction is the principle that…

Q: Calculate the peak voltage of a generator that rotates its 220–turn, 0.100 m diameter coil

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Q: 4. What is the EMF induced when the magnetic field changes from 2.5 T to 0.9 T in 12 seconds with a…

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Q: 1. It is the measure of the ability of a material to maintain and establish a magnetic field. 2.…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: 1. A device that produces electricity by transforming chemical energy into electrical energy is…

A: (c) Battery It's the correct option. In battery some chemical reaction ( redox reactions) happens…

Q: What is the name of the transformer, which produces the variable output voltage? a. Power…

A: Option d is the right answer  Auto transformer

Q: 4. (a 5) Power stations are normally far away from the customers. A transformer is often used to…

A: (a)The primary reason that power is transmitted at high voltage is to increase efficiency, the lower…

Q: 211. What are the factors that affect the amount of induced electromagnetic force? How do these…

A: Induced emf

Q: 7. When a current of 2.0 A flows in the 91 turn primary of an ideal transformer, this causes 14 A to…

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Q: 26. Which of the following quantities increases at the secondary coil of an idea step-down…

A: The power output in the step-down transfer is: P=VII=PVI α 1V

Q: 1. What is Faraday's law of mutual induction? When an emf is produced in a coil because of the…

A: Suppose two coils are coupled with each other. Let the current in the first coil changes with time…

Q: 2. A transformer is made by winding a primary coil of 300 turns around an iron core. A secondary…

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Q: b. A transformer is used to increase the voltage to 2.75 x 105V before it is fed into transmission…

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Q: 3. A transTormer connected to a 120 as power line has 200 turns in its primary winding and 50 turns…

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Q: 2. In England, standard household voltage is 240 volts. If you brought your own hair dryer on a trip…

A: The transformer equation relating the primary and secondary voltage to the number of coils is…

Q: 1. When running at its operating speed, a 210-V dc motor with an armature whose resistance is 1.70 Q…

A: Voltage of the motor is V = 210 V Resistance of the armature is Ra = 1.70 ohms Required current is…

Q: Questions: 1. Describe the operating principle of the electric motor.

A: An electric motor can be defined as a type of machine which is used to convert energy from…

Q: 11) You have a windmill that rotates its 500-turn, 0.250 [m] diameter coil at 4500 [rpm] in a 1.5…

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