Transformer questions

To reduce eddy currents in the coils which would heat it up and so make the transformer inefficient. To reduce the weight of the transformer and so make it more efficient. Take the Quiz and improve your overall Engineering.

Questions such as this should be followed (eventually) by other questions asking students to identify likely faults based on measurements. Mention the factors on which hysteresis loss depends ? Quality and amount of iron in the core (ii) Flux density and (iii) Frequency.

Which one of the following is the correct reason for this? The internal resistance of the battery wil. A transformer has 5turns of the primary winding and turns of the secondary winding. Find Free WordPress Themes and plugins.

Determine the current in the primary and secondary winding,. The transformer equation relates the number of turns of wire to the difference in voltage between the primary and secondary coils. Where Vp is the voltage in the primary coil.

Vs is the voltage in the secondary coil.

Are u the ultimite fan of transformers the movie? Play this quiz to find out,NOW! The fate of mankind rests in. These topics are chosen from a. What will be the voltage out of the. A kVA, single phase transformer has 4turns on the primary and 1turns on 8. Looking for top transformers quizzes?

Choose one of the thousands addictive transformers. Learn transformers MCQs, applied physics online test for distance education, free online courses prep. When a load is connected to a transformer current (say I2) flows through secondary coil thus an M. Why is transformer flux constant?

F (N2I2) is produce this. The layout size is not important for selecting a transformer , but you need to feed the layout with heavy enough wire and at points close enough together to keep the. Transformers MCQs Quiz Online PDF Download.

Ask anything you want to know, or answer questions. This video provides all the important mcq questions of transformer in detail. An ac voltage is applied to one coil (the primary coil).

The ratio of the transformers primary and secondary windings with respect to each other produces either a step-up voltage transformer or a step-down voltage transformer with the ratio between the number of primary turns to the number of secondary turns being called the “turns ratio” or “ transformer ratio”.

Answer: Electrical transformer is a static device which transfers the power from one circuit to other through electromagnetic induction. At what power maximum efficiency of power transformer and distribution transformer is designed. Maximum efficiency of the transformer is attained at certain load.

Often used as galvanic isolation and to transform one AC voltage to another. Auto- transformer Advantages: Auto- transformers in comparison with the double winding transformers are generally advantageous of the voltage ratio is favorable from. It can be designed to “step up” or “step. I have made a circuit diagram for a DC power source and is working on building it. However, the voltage and amperage right after the transformer is about 34V, with an.

A step-down transformer has 3coils on one coil, and coils on the other. A step-up transformer has 2coils on one coil, and 9coils on the other.