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1. The magnetic flux density at a distance of 1.4 m from the centre of a current carrying conductor is 0.25 mT. Determine the value of the current.
2. A moving coil meter has a coil resistance of 25Ω, and requires a current of 0.25 mA to produce full-scale deflection. Determine the values of shunts required to extend its current reading range to
(a) 10 mA, and
(b) 1 A. Sketch the relevant circuit diagram.
Use 9.81 m/s^2 as the acceleration due to gravity and 8.85 * 10^-12 C^2/Nm^2 as the permittivity of free space.
Generate a sine wave signal with amplitude A=1, and frequency=0.1592Hz. Using a uniform PCM method, quantize it ot a) 8-level and b) 16-level. Plot the original signal and the quantized signals on the same axes
you have three electric bulbs:100w,75w,60w. if they are in a series circuit and connected to a battery of E=10v, what are the electric voltage across each of them. the bulbs are designed to work in the u.s , that is the working voltage suppose to ..
Suppose that we want to determine how many of the bits in a six-bit unsigned number are equal to 1 . Design the simplest circuit that can accomplish this task.
show that for a square matrics the linear dependence of the row vectors imples the column vectors.conversely for a non square matrics either row vectors or column vectors are linear dependent.
Design an inverting singe stage low pass filter with gain = 40 dB, Rin = 10 kΩ , corner frequency of 50 Hz. Determine the max and min gain and the corne frequency for the component tolerances of 5%/ Plot gain vs frequency (Hz) with frequency on a ..
Find the distance in mils between the plates of a 2- µF capacitor if the area of each plate is 0.09 m2 and the dielectric is transformer oil.
A listener increases his distance from a sound source by a factor of 4.11. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB
a ppl frequency synthesizer has an output frequency of 470 MHz. A divideby10 prescaler is used. The reference frequency is 10 KHz. what is the frequency step increment
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load.- Calculate power factor of the motor at no load.
Find the transition points for the p-channel and n-channel transistors. - Sketch the voltage transfer characteristics including the appropriate voltage values at the transition points.
If the peak-peak voltage of a sinusoidal waveform extendsvertically 6.4 division and the oscilloscope vertical sensitivitywas set to 0.5 volts/division, what would be the reading of amultimeter using both the AC and DC scales
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