What are the major losses that should be taken into account when intend to design an accurate model of transformer behaviour?
Q: The output current of a transformer in which the voltage is stepped down is usually higher than the…
A: In case of step-down transformer, number of turns in secondary coil is less than that of number of…
Q: Calculate the peak voltage of a generator that rotates its 1000-turn, 0.100 m diameter coil at 5000…
A: Given that the value of magnetic field and given the number of turns and diameter of coil and speed…
Q: Describe the mechanism for the occurrence of losses in transformer cores and how to reduce them?
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Q: Why does alternating current work so well for wireless charging and induction stoves?
A: solution is given as
Q: What transformer brings the pd back to safe usable levels at the consumers end?
A: To determine,What transformer brings the pd back to safe usable levels at the consumers end.
Q: In a non-ideal transformer, provide a physical explanation as to why the current in the primary coil…
A: consider the transformer arrangement as shown
Q: Explain why a transformer works for AC currents but not for DC currents
A: transformer work only on ac supply because A transformer needs an alternating current that will…
Q: What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if…
A: (a)Write the relation between turns of winding and voltage between primary and secondary winding.
Q: A step-down transformer converts 120 V to 5 V in a phone charger. If the primary coil has 600 turns,…
A: The voltage and number of turns relationship for a transformer is: NsNp=VsVp Here, Ns and Np…
Q: Explain how a spark plug gets an induced voltage from the ignition coil.
A: A spark plug gets an induced voltage from the ignition coil through a process called electromagnetic…
Q: A transformer with more primary turns than secondary turns will produce a secondary voltage higher…
A:
Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
A: Given V1= 330 kV V2= 775 kV P1 = 1000MW R = 2.30 ohms
Q: Explain what causes physical vibrations in transformers at twice the frequency of the AC power…
A: In a transformer, there is a primary section from which input is given and a secondary section from…
Q: What is an isolation transformer and how it works?
A: Isolation transformers are transformers used to transfer electric power from alternating power…
Q: Why does a transformer require ac?
A: The working principle of a transformer is mutual induction.
Q: Why does AC power alternate ?
A: Ac power is defined as a flow of charge that exhibits a periodic change in direction. This is known…
Q: a step down transformer has an output of 12v and .5A when connected to a 120V line. assume no…
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Q: Before World War II, some radios got power through a “resistance cord” that had a significant…
A: Electrical energy is Ee=V2R×t Heat energy is Eh=mcΔθ
Q: Why can a hum usually be heard when a transformer is operating?
A: A transformer is a device which is used to convert high to low and low to high ac voltages.
Q: Please explain what happens when the efficiency of a transformer increases and when the percentage…
A: 1. A transformer is a device that transfers electrical energy from one circuit to another through…
Q: explain why a transformer may be operated only on AC?
A: Transformer works only in a.c because it works on the principle of the rate of change of magnetic…
Q: You are hired to help design a transformer that will help to reduce the power loss through an 1002…
A: a. As we are decreasing the power loss from 10 % to 0.10% so we need here a step-up transformer…
Q: A transformer having efficiency of 90% is working on 200 V and3 kW power supply. If the current in…
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Q: Does a transformer work when a DC current flows through the primary? If not, why?
A: A transformer will not work if DC current is flown through the primary coil. Ac current is used to…
Q: Sketch the current in an RL circuit over time.
A: Fig(a) An RL circuit with a switch to turn current on and off. When in position 1, the resistor,…
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