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Q. Find the electric potential at a distance 0.09 m from a charge of 4 X 10-7 C.
The electric potential V = ( 1/4πεo ) q /r = ( 9 X 109 X 4 X 10-7)/ 9 X 10-2 = 4 X 104 volt.
Q. The resistance of a nichrome wire at 0oC is 10 Ω. If the temperature coefficient of resistance is 0.004/ o C, find its resistance at boiling point of water. Comment on the resul
The area element that seems in the integral is a vector. Area like an amount of coverage would appear to be a scalar quantity. What is the way of the area element ? Ans
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an oven is turned on at a room temperature of 20C and it takes 10 min to reach a temperature of 190C.a try of cookies is placed in the oven to bake for 10 min.the oven is then turn
An electron has momentum that is 90 % larger than its classical momentum. Find speed of electron. Classical momentum Relativistic momentum Here m is effective mass Given, Spe
what have you learned about temperature coefficient
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What do you mean by dispersion of light? Write down the expression for the deviation produced by a thin prism?
How theta between plane of the coil and magnetic field remains constant
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