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1. A (0-10A) range ammeter has an internal resistance of 0.0002Ohms. It is necessary to use this meter for measuring a currentwhich is likely to be in the range of (0-70A) Amperes. Design aresistance circuit to accomplish the above measurement. Show thecircuit, calculate any resistance values, and explain the procedure.
2. A (0-25V) range voltmeter has an internal resistance of 80,000Ohms. It is necessary to use this meter for measuring a voltagewhich is likely to be in the range of (0-150) volts. Design aresistance circuit to accomplish the above measurement. Show thecircuit, calculate any resistance values, and explain the procedure.
Show that H(s) is invertible with an LTI inverse that is causal and stable (meaning, we can implement the inverse system) if and only if all poles and zeros of H(s) are strictly in the left half plane. We call such an H(s) minimum phase.
A railway train is fitted with three engine/transmission units that can be assumed to exhibit a constant hazard with a mean life of 200 h. In a 15 h working day, calculate the probability of a train having: (a) no failed engine/transmission units
A squirrel-cage motor winding is wound up for two poles. At full-load, the motor operates at 3294 rpm with a slip speed of 306 rpm. What is the supple frequency
A three phase Y-connected induction motor operates at 220 volts, has a power factor of 75% and an efficiency of 84% when delivering 8HP. a) what is the current in any one of the phase windings
(b) This voltage is measured using a defective voltmeter, which always indicates a lower reading than the actual value. Suppose the voltmeter reading is 2.5*10^(-4). Calculate the probability that the error is not more than 0.5 *10^(-4).
To understand this, imagine we paint one of the blades of an airplane propeller so that we can identify it from the other blades. We will then turn the propeller at 33 rotations per second, in a clockwise direction.
Determine the standing wave pattern for the voltage in the line. Express the result in real insantaneous form and simplify
Heat is added until the final volume is twice the initial volume. Assume that Helium behaves as an ideal gas. Use the table provided to determine the specific heats of helium and determine the following. Find the temperature at the final state.
Identify the type of cable that is permitted in single- and multifamily dwelling units but that cannot be used underground, nor in buildings that are more than three stories above grade, nor in commercial garages, motion picture studios, theaters,..
Design a combinational circuit with four inputs, x,y,w, and z, and four outputs: A, B, C, and D. When the binary input value in decimal is 3,5,6,9,10 or 12, the binary output value is one less than the input value, otherwise it is one greater than..
A positron (same mass as electron) moving at .8c collides head on with a stationary electron producing two photons with EQUAL ANGLES relative to the incoming positron. Find the photon energies, wavelengths and angle
(a) Calculate on the axis of a charged ring. The ring lies in the z = 0 plane, has radius a, and carries uniform charge density λ C/m. (b) Repeat for a charged disk. The disk lies in the z = 0 plane, has radius a, and carries uniform charge density ..
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