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A conducting sphere with radius a = 0.31 m has a net charge Qa = +4.5 µC. A thin, non-conducting spherical shell of radius b = 0.95 m surrounds the sphere and is concentric with it. This shell has a net charge Qb = +1.5 µC distributed uniformly over its surface. The electric potential at infinity is zero
Find the electric potential mid-way between the surface of the sphere and the surrounding shell
Determine the phase angle difference between the voltage and current, and whether the voltage leads or lags the current, if (a) V = 240/243 V rms and I = 3/9 A rms; (b) the power factor of the load is 0.55 lagging; (c) the power factor of the load..
Express the field D = ( x + y ) ( x + y ) a)in cylindrical components and cylindrical variables b) Evaluate D at the point where = 2 , = 0.2 , and z = 5, expressing the result in cylindrical and rectangular components.
Design a static CMOS inverter with long channel transistors and a. switching voltage VM of 0.6 VDD. What is the resulting ratio of WP/WN b. switching voltage VM of 0.45 VDD. What is the resulting ratio of WP/WN
a sine wave signal (20 V PP) is connected to a 10k ohm resistor. Calculate the current through the resistor in terms of average,rms, and peak currents. what wattage rating should the resistor have
A 1/10hp motor has a 1000 rpms with 20v across the armature and series winding there are three speed control switches. The motor speed decreases linearly what are the four speeds available if each resistor is .54 ohms.
Consider a GaAs MESFET. When the device is biased in the saturation region,Id=18.5 micrroamp,Vgs=.35 and Id=86.2 micro amp,Vgs=.5 determine the conduction parameter and k and threshold voltage Vth
1 you will create a data set consists of the total data number elements. for example if your total data number is 127
three single-phase transformers rated at 250kVa, 7200V/600, 50Hz, are connected in wye-delta on a 12470V, 3 phase line, if the load is 450kVA, calculate the current in the incoming and outgoing transmission lines and in the primary and secondary w..
Infinite sheet current
have a wheatstone bridge with two capacitors and two resistor with one capacitor unknown need to find the value of
if you use the sinusoidal waveform to drive the speaker: What change in the sound do you expect to hear when you increase the amplitude of the sinusoidal signal on the function generator
The frequencies Of the signal are 600 Hz and 1.6 kHz with the carrier at 90 kHz. If the rms voltage levels for the 2-tones is 3.22 volts and the load resistor is 71 Ohms, find the output frequency spectrum, PEP, and the average power output.
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