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A uniform plan wave propagating in free space strikes the planesurface of dielectric medium. The dielectric constant of one mediumis 1.25 if the permeability of each medium is the same as that offree space and the reflection coefficient is 0.25 determine thedielectric constant of the other medium?
A ball is thrown upwards with a velocity of 31 m/s at an angle of 35.5 to the horizontal from a point which is 8 m above ground level. Find: 1) The greatest height reached, above the point of projection
A voltage source v(t) = 28.2cos(50000t) is wired in series with a 100 Ω resistor, a 0.40μF capacitor, and a 2.0 mH inductor. 1. Express the voltage from the source as a phasor, V. 2. Find the phasor current I in all the elements.
An overflow occurs when the result of adding two number islarger than can be represented. for example, two 4-bit signednumbers will cause an overflow if their result is greater than +7or less than -8. For example, the following additions will caus..
Design a low pass FIR filter for 10 kHz sampling, with a pass band edge at 2 kHz, a stop band edge at 3 kHz, and 20 dB stop band attenuation. Find the impulse response and the difference equation for the filter.
Consider a 32-bit microprocessor whose bus cycle is the same duration as that of a 16-bit microprocessor. Assuming that, on the average, 20% of the operands and instructions are 32 bits long, 40% are 16 bits long, and 40% are only 8 bits long.
An opamp based integrator is measured at 1KHz to have a voltage gain of -100 V/V. At what frequency is its gain reduced to -1V/V. And, what is the integrator time constant
Power Factor, A single phase electric motor has an output power of 10 kW and an efficiency of 90% at full load. The motor is fed from a 240 V supply via a cable that has a resistance of 10 milli ohms per metre length.
An open-circuited 50ohm microstrip transmission line is used in a microwave amplifier circuit to provide a capacitance of 3.2 pF at 2.3 GHz. (a) Find the appropriate electrical length of the line.
Probability of a False Alarm: Noise Power, The fixed threshold of a radar detector was set, assuming a known noise power, to yield P_FA = 10^-6
A 3000-lb automobile is driven down a 5 degree incline at a speed of 50mi/h when the brakes are applied, causing a total braking froce of 1200 lb to the applied automoble. Determine the distance traveled by automobile before it come to a stop.
How much energy in Kilowatt hours is initially stored in the battery If the battery costs $75 and has a life 0f 300charge-discharge cycle, what is the cost of the energy in dollarsper kilowatt hour Neglect the cost of recharging the battery.
A uniform plane wave in a lossy medium has a phase constant of1.6 rad/m at 10MHz and its magnitude is reduced by 60% for every 2m traveled. (a) How much attenuation will the wave suffer indB/m
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