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Determine the shunt resistance needed to convert a galvanometer to an ammeter with a full scale reading of 10A if the scale requires 2.5mAto cause full deflection with a coil resistance of 10Ω.
a motor consists of a coil with 200 turnsspinning a circular area with radius of 1.5cm.the loop carries anaverage current of 2.0 amps and rotates at 2000 rev/min in amagnetic field of 300 mv/c. how much mechanical power does the motor provide
A double-balanced modulator is rated to accept signals up to+7dBm. What is the signal level expressed in: (a) watts, (b) volts rms Assume that all impedances are 50Ω and are matched.
A 6-bit A/D converter with a full-scale voltage of 20 V is to be employed in a binary PCM system. The input analog signal is adjusted to cover the range from zero to slightly under 20V, and the converter is connected for unipolar encoding.
The minterms of functions F(A,B,C) and G(A,B,C) are Σ m(1,3,5,6) and Σ m(1,4,5,7). What are the minterms of F' and G', and what are the maxterms of F+G and FG
A solar pond consists of a thin layer of fresh water floating ontop of a denser later of salt water. When the salty layer absorbssun light, it becomes hot, to 140 degrees C. The ambient temp isassumed to be 20 degrees C.
Important information about Electrical Networks, Engine consumes 5kw of power and a reactive power of 2kvar at current of (3+j2) Amps.
A box contains a shipment of N (N>4) computer chips, of which four are defective. Four chips are randomly selected and examined as to wether or not the chips are defective. Describe the sample space for this experiment.
how do you determine the value of Xl in a parallel resonant circuit, when all youre given is Xc, Rcoil, and the parallel resistance
A sinusoidal voltage source is zero at t = 0.2 microseconds and is "going positive" at that point, meaning that v(t') > 0 for t' = 0.21 microseconds. Furthermore, the voltage at t = 0 is -28 milliVolts and its next zero is at t = 8.2 microseconds
In Astable multivibrator (using OP-AMP) and Butterworth 2nd order filter(using OP-AMP)(both high pass & low pass filter), both positive and negative feedback are given. But in Astable mutivibrator positive feedback dominates
1- Name a few computer operating systems. 2- What is the full form for MS-DOS 3- What is the difference between a logical address and aphysical address
A parallel circuit consists of a source and 15 ohm and 30 ohm resistors. The resistor of 15ohm draws a current of 8A. a) Find the current out of the current source. b) Find the current through the 30 ohm resistor.
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