Two long wires carry current in the same direction
Two long wires are seperated by a distance of 33 cm and carry current in the same direction. Wire A carries a current of 1.2 A, wire B carries a current of 0.75 A. Where is the magnetic field is zero ?
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Suppose you wish to fabricate a uniform wire out of 2.30 g of copper. If the wire is to have a resistance of R = 0.500 Ω and if all of the copper is to be used, what must be:
A sample of 230 observations is selected from a normal population for which the population standard deviation is known to be 24. The sample mean is 18. Determine the standard error of the mean
Assuming the constant specific heats provided, calculate the peak temperature T3 and the rate of thermal energy released in the combustion chamber.
A mass of 2.4 kg of air at 150 kPa and 12ºC is contained in a gas-tight, frictionless piston-cylinder device. The air is now compressed to a final pressure of 600 kPa.
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths?
A long pryoceram rod with a diameter of 80mm is clad with a very thin metallic tube for protection. The bonding between the rod and the tube has a thermal contact resistance per unit length of 0.1 mK/W.
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