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Calculating the time constant in a RC circuit.
What will be the time constant in a RC circuit when R = 200 kohms and C = 10mf?A) 20 secB) 5 secC) 2 secD) 0.5 sec
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Show that low-density generator-matrix codes are bad. A family of low-density generator-matrix codes is defined by two parameters j, k, which are the column weight and row weight of all rows and columns respectively of G ...
For a particular car windscreen wiper mechanism, an electric motor is required that can provide 5 N m of torque at about 35 rpm. A small permanent magnet d.c. motor is suggested as being suitable for this purpose. The ma ...
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1. A pressure of 10 MPa is applied to 0.25 m 3 of a liquid, causing a volume reduction of 0.005 m 3 . Determine the bulk modulus of elasticity. 2. The bulk modulus of elasticity for water is 2.205 GPa. Determine the cha ...
A piece of hot iron (c = 450 J/kg .°C) of mass 0.500 kg and temperature 120° C is dunked into 2.00 liters of water at room temperature (20.0° C) a. What is the final temperature of the mix? b. What is the amount of energ ...
When analyzing the effects of global media around the world, scholars interested in cultural globalization often draw on two theoretical and empirical arguments: the cultural (or media) imperialism perspective and the so ...
Consider a spiral galaxy with a "flat" rotation curve beyond the central 2 kpc a. Derive the general relation giving the orbital period, P, of a star (or other object) in the disc orbiting the centre of the galaxy, as a ...
Poiseuille's Law gives the rate of flow, R, of a gas through a cylindrical pipe in terms of the radius of the pipe, r, for a fixed drop in pressure between the two ends of the pipe. (a) Find a formula for Poiseuille's La ...
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