How can light be defined in simplest form?
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What is the difference between isolation transformers and step up or step down transformer?
What is reverberation?
What is the commercial unit of electrical energy ?
Is Ohm's Law obeyed in the transformer equation? Explain the answer.
What is Amalgam ?
What are the essential characteristics of a wave?
x- rays travel with the velocity of
Why is flywheel used in motor cars ?
Explain what is larger the force the earth exerts on you or the force you exert on the earth?
can we use kgs instead of kg? why?
What is meant by common potential?
A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?