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A cylindrical metallic wire is stretched to enhance its length by 5%. Measure the percentage change in its resistance.
Explain about the crystalline solids in short. Crystalline solids: A solid possesses rigidity with a definite geometric pattern. Illustrations: Iron, silver, copper an
What is a starry sky? Probably one of the most beautiful lighting effects which can be created that can be very simple or rather sophisticated. In its simplest form, a starry s
energy mass relation
The density of gasoline at 0 degrees C is 0.68 x103 kg/m3 What is the density on a hot day when the temperature is41 degrees C? What is the percentage change (+/-)?
Explain 'drift velocity of free electrons'? Derive Ohm's law on the basis of the theory of electron drift.
The Michelson interferometer was designed to study the nature of: a) water waves b) sound waves c) an "ether" d) sunlight Ans: The Michelson inte
Can you show mathematically that the total energy of a simple harmonic oscillator remains constant?
Q. A managing wire of length 2m has a diameter of 0.4 mm with a resistance of 70 ohm. Find its resistivity. ρ = ( P X πr 2 ) / L = ( 70 X 22 X 2 X 10 -4 X 2
A particle moving in a straight line with constant accelaration is having initial velocity of 10 m/s. After some time, the velocity becomes 30 m/s. Find the velocity of particle at
Explain Antenna. Write a short note or Antenna. Name two parts of antenna.
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