Magnetic field at the centre of the coil
A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil?
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An automobile tire with a volume of 0.6m3 is inflated to a gage pressure of 200 KPa. Calculate the mass of air in the tire if the temperayure is 20 degree C using the ideal gas equation of state.
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The balance point of the cell in open circuit is 76.3 cm. When a resistor of 9.5 Ω is used in the external circuit of the cell, the balance point shifts to 64.8 cm length of the potentiometer wire. Determine the internal resistance of the ce
Air can be assumed to be an ideal gas with a temperature-independent heat capacity CP = 29.3 J/mol-K. What is the number of moles left in the tank at the end of the process?
Consider a cross flow of water (saturated water) that comes at 20C with a velocity of 5 m/s on the surface of a cylindrical tube that has a diameter of 10 mm. The surface of the tube is maintained at 50C from end to end.
The pump draws 20 kW of power and operates at 50% efficiency. Determine (1) the gauge pressure (kPa) and (2) the total head of the fluid (m) immediately downstream of the pump.
1) Determine for each case whether the substance is a compressed liquid, superheated vapor, or saturated mixture using the Tables in the Appendices of your text book.
Derive an expression for the "building" equation for the CSTR if the initial concentration in the tank is not equal to zero (call it C0). Be sure to show all steps.
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