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The drag on a 30-ft long, vertical, 1.25-ft diameter pole subjected to a 30 mph air wind is to be determined with a model study. It is expected that the drag is a function of the pole length and diameter, the fluid density and viscosity. Laboratory model tests were performed in a high-speed water tunnel using a model pole having a length of 2 ft and a diameter of 1 in. Some model drag data are shown in the figure. Based on these data, predict the drag on the full-sized pole.
Deduce the expression for expected fringe shift in Michelson Morley experiment. Discuss the result of experiment.
1. A 12-bit analog-to-digital converter (ADC) works over the range of -5 volts to + 5 volts. (a) What is the voltage resolution of this converter? (b) Assuming -5 V is rep
What is an intrinsic semiconductor? How can this material be changed into (i) P-type (ii) N-type extrinsic semiconductor? Describe with the help of energy band diagrams
Q. A capacitor of capacitance 2 μF is in an ac circuit of frequency 1000 Hz. If the rms value of the applied emf is 10 V, find the effective current flowing through the circuit.
Why should the material used for making permanent magnets have high coercivity? What will be the values of input A and B for the Boolean expression? Why is frequency modulati
What is damped and undamped eletromagnetic waves Ans) A damped wave is a wave whose amplitude of oscillation decreases with time, eventually going to zero.
a boy throws a ball of mass 20 kg vertically upwards.it raises to a maximum height of 100 m.at what height will the kinetic energy be reduced to 70%
What do you mean by dead time in GM counter? Draw a neat diagram at GM counter and explain its working. Mention some of its applications. Give basic principle of Geiger-Muller coun
what is gravitational law
Millikan oil drop experiment (R.A. Millikan) A popular experiment designed to compute the electronic charge. Drops of oil were carried past a consistent electric field among c
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