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In a simple model of the hydrogen atom an electron has a circular orbit of radius 5.0 x 10-11 m around a stationary proton.Calculate:(a) the magnitude of the electrical force exerted by the proton on the electron,(b) the speed of the electron in its motion around the proton.
Given a co-axial cable to which Pinner = a and Pouter = b energized +Q, -Q where -+Q is the inner cable charge. a) Find E' for a
A baseband sine wave signal with frequency 4.0 kHz is modulated onto a carrier at 1.050 MHz using DSB-LC AM. What are the frequencies of the sidebands of the RF signal?
Find the phasors corresponding to the following signals. (a) v(t) = 21 cos(4t-15o) V (b) i(t) =-8 sin(10t+70o) mA 2 (c) v(t) = 120 sin (10t -50o ) V (d) i(t) = -60cos(30t +10o) mA
Resisitive load, A 4:1 step down transformer uses a 60Vac source on the primary windings.
Sitting in front of you is a box; you cannot see iside the box. The box has a power cord that is plugged into a working wall socket. There is a wire coming out of the box; the end of the wire outside the box is exposed (not insulated) and is not c..
Consider the logic function f(a,b,c) = abc + ab'c + a'bc + a'b'c + a'bc'. (a) Draw the logic circuit for the function f given above. (b) Let the cost of a logic circuit be the total number of gates plus the total number of inputs to all gates
A synchronous motor is rated as 250 hp, 4.8 kV connected 60 Hz 12 poles with Xs=0.6 pu and Rs=0.01 pu. The motor rotational losses are 1.5 kW and the excitation power is 6 kW. The motor is supplied by rated voltage at the stator.
3) What factors started the decline in the nuclear power industry, and what events essentially ended new construction of nuclear power plants 4) What are three advantages of using AC power over using DC power
Discuss the steps required in calculating the collector-emitter voltage in a VDB circuit. Why does this circuit have a very stable Q point Discuss whether transistors being used as switching circuits should be biased in the active region.
Prepare an Excel graph showing the individual components and summated resultant waveform of the odd harmonic series resulting in an approximate square wave.
A battery is charged. The relationship between the charging current, i amperes and the time, t hours passed, is given by the formula:
In a Built in Self Test, for a combinational logic system, what are the advantages of using a counter instead of an ALFSR to generate testing vectors for 2 cases.
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