Determine the power factor on no-load, A transformer takes a current of 1A...

A transformer takes a current of 1A when its primary is connected to a 300V, 50Hz supply, the secondary being on open-circuit. If the power absorbed is 120watts, Determine

How do you magnetize metal, How do you magnetize metal? You can rub a m...

How do you magnetize metal? You can rub a magnet with the metal in single direction for a bunch of times (the more the better), and that will magnetize it to some degree, but i

Illustrate working and construction of dud dells, Write short notes on the ...

Write short notes on the working of a thermopile. Illustrate working and construction of Dud dell's thermo galvanometer.

What is cavitation in terms of ultrasonic, What is cavitationin terms of ...

What is cavitationin terms of ultrasonic? Cavitation is an effect which is generated into liquids by intensive ultrasonic waves. The resulting pressure waves make vacuum bubb

Michelson interferometer diagram,

What is the wavelength of electromagnetic waves, What is the wavelength of ...

What is the wavelength of electromagnetic waves of frequency 5 x 1019Hz in free space? Give its two applications.

The gauge pressure, The water supply of a building is fed by a main pipe 6....

The water supply of a building is fed by a main pipe 6.00cm in diameter. A 2.00cm diameter tap is located 2.00m above the main pipe. When the tap is turned on it fills a 25.0L cont

Explain units of coulomb and candle, Coulomb: Coulomb is the fundamental u...

Coulomb: Coulomb is the fundamental unit of charge. It is explained as the charge required to obtain 9?109 newton of force among two equal charges separated at a distance of one m

Explain the advantages of induction motors, Advantages of induction motors ...

Advantages of induction motors 1. Simple design. 2. Low cost compared to other motors of the similar capacity. 3. High overload capacity. 4. Very rugged construction.

Electrons are emitted from a photosensitive surface, Electrons are emitted ...

Electrons are emitted from a photosensitive surface when it is illuminated by green light but electron emission does not take place by yellow light. Will the electrons be emitted w