Can an efficient transformer step up energy? Defend your answer.

Q: What must change in order for electromagnetic induction to occur?

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Q: between two north magnetic poles? Which diagram correctly represerits the agne O b. Od.

A: b) represents the magnetic field lines between two magnetic north poles.

Q: What do you men by magnetic flux?

A: The number of magnetic lines of force or the magnetic field lines passing through an enclosed…

Q: Your company’s main competitor has built an extremely efficient transformer and is trying to market…

A: The low of conservation of energy states that energy can neither be created, nor be destroyed. It…

Q: Give uses of Electric generator in daily life.

A: uses of ac generators are as follows:They provide the power for most power networks across…

Q: If there are 7 times as many turns in the secondary coil of a transformer than in the primary coil,…

A: Write the given values with the suitable variables. Ns=7NpIp=4.7 A Here, Ns, Np, and Ip are the…

Q: What do electric and magnetic fields contain and transport?

A: A changing electric field generates a changing magnetic field. A changing magnetic field produces a…

Q: A pair of power transmission lines each have 2.40-Ω resistance and carry 750 Amp. If the primary…

A: Given Data: Ns = 10 Np = 1 Vp = 2 kV

Q: Is it correct to say that a generator produces energy? Defend your answer.

A:

Q: Does the voltage output increase when a generator is made to spin faster? Defend your answer.

A: Given: Voltage output

Q: How are magnetic fields created?

A: Static Charges can only produces electro static fields.

Q: Choose the BEST answer to the following: A step-up transformer in an electrical circuit can step up…

A: A step-up transformer is a static device, which is used in electric circuits to increase the voltage…

Q: It is an electronic device that transforms an alternating current into direct current.

A: A Rectifier is a device that converts alternating current into direct current. The Rectifier is made…

Q: How does the current in the secondary of a transformer compare with the current in the primary when…

A: Given: secondary volatge is twice the primary volatge Vs = 2Vp

Q: A transformer has an input of 6 V and an output of 36 V. If the input is changed to 12 V, show that…

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Q: What contributions did Thomas Edison make that ultimately changed the status quo?

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Q: Why is it important that the core of a transformer pass through both coils?

A: A transformer is a device which is used to convert the high voltages into low and vice versa for ac…

Q: what does magnetic flux per unit area indicate ?

A: The magnetic flux is defined as it is the product of magnetic field and area. ∅=BA Now, the magnetic…

Q: Why is the iron core of a transformer made laminated instead of being in one solid piece?

A: In an actual transformer, small energy losses occur and the efficiency gets reduce. The laminated…

Q: Choose the BEST answer to the following: Electricity and magnetism connect to form (a) mass. (b)…

A: Magnetism is a result of moving charges and there is an electric field related to every charge.

Q: The primary of a transformer connected to 120 V has 10 turns. The secondary has 100 turns. Show that…

A: Given:   Input voltage, Vinput = 120 V  number of turns in primary coil, n1 = 10  number of turns in…

Q: Who discovered electromagnetic induction?

A: Electromagnetic induction is the production of electromotive force across an electrical conductor in…

Q: Name two kinds of energy losses in a transformer. How are they minimized?

A: The two types of major losses in transformers are:Eddy currents.Hysteresis loss.

Q: A step-up transformer increases voltage, or potential energy per unit charge. Howis this possible…

A: A transformer with more secondary windings than primary winding, so that it can increase voltage…

Q: How does the power input to an efficient transformer compare with the power output?

A: The efficiency of a transformer is defined as the ratio of output power to the given input power.

Q: Is it correct to say that a transformer boosts electric energy? Defend your answer.

A: Transformer boost energy

Q: What are the functions of a Transformer?

A: The function of the transformer, as the name implies, is to transform alternating current energy…

Q: An ideal transformer has 50 turns in its primary and 250 turns in its secondary. 12-V ac is…

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Q: Why does a motor also tend to act as a generator?

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Q: Your friend says that if you crank the shaft of a dc motor manually, the motor becomes a dc…

A: Any coil of wire spinning in a magnetic field which cuts through the magnetic field is called a…

Q: What do you mean by magnetic induction?

A: Magnetic induction:                            Magnetic induction is defined as a process in which a…

Q: What would happen if a transformer is connected to a D.C Supply?

A: The transformer is defined as a device that is utilized to manipulate the voltage of the…

Q: A transformer for a laptop computer converts a 120-V input to a 24-V output. Show that the primary…

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Q: One way to make a compass is to stick a magnetized needle into a piece of cork and float it in a…

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Q: ween passi switch lase

A: Q switching is a method for generating intense short pulses (sometimes called "giant pulses") of…