why copper is a bad conducter at low temperature?
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How can you conform that magnetic lines come from a single bar magnet with out any external instruments?
What is radium used for?
If a number of planes are talking off form an aircraft carrier, what is the minimum interval required between the take-off of the successive planes ?
what is ohm's law ?
Explain the Types of Refrigeration ?
How are amps and watts related?
to find the temperature of the sun, the following law is used 1. Charles'law, 2. Stefan's fourth power law of radiation, 3. Boyle's law, 4. Kirchhoff's law
What is the proper definition of light?
What is the difference between diffraction and interference?
the time period of three pendulums are given in a sequence as a= 1.27s b=0.85s c=0.99s the given sequence may not be correct arrange the time period in a correct sequence
Explain refraction?
why the ammeter and voltmeter has a circle representation