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A plumber is using an electric drill in a basement with a concrete floor.Assume his total body resistance from hands to feet is 1k ohm.The drill has a metal case that is connected to the ground wire in the 3-prong plug. If he acccidentally drills into a 110-volt power line,(i) what is the resulting ground current,assuming a 1ohm ground resistance?(ii) Would the ground current trip a 20-amp breaker?(iii) what is the current through the plumber's body?
A 50-W lossless line has a length of 0.4. The operating frequency is 300 MHz. A load ZL = 40 + j30 ohm is connected at z = 0, and the Thevenin-equivalent source at z = -l is 12
A water sprinkler sprays water over a distance of 30 feet while rotating through an angle of 145 degree . What area of lawn recieves water
Distortion per data symbol is negligible and the time variation during a symbol period is negligible - what is the appropriate range of the symbol duration in this communication system?
write a script that will call: a function to prompt the user for an angle in degrees and call a function to calculate and return the angle in radians (note:pi radian =180) and call a function to print the result.
A tow truck applies forces F1 and F2 to the bumper of an automobile where F1 is horizontal. Determine the magnitude of F2 that will provide a vertical resultant force, and determine the magnitude of this resultant.
Suppose you have a 2 kW electric heater rated for 220 volt operation, which you intend to operate at a reduced power dissipation of 1kW. Calculate the proper amount of voltage you would need to achieve this reduced power dissipation
A 9-kVA, 208 V, 1200-rpm, three phase, 60 Hz, Y- connected, Synchronous generator has field winding resistance of 4.5ohm. The armature winding impedance is 0.3+j5 ohms per phase. When the generator operates at its full load and 0.8 lagging
AC source Voltage in series with R1(4 ohm) and then R2(1 ohm). Vs=9sin(2t +13degrees) find the instantaneous power deliverd to R2 (1ohm) at t=0,t=1,t=2
Polyethylene with ?_r = 2.25 is used as the insulating material in a lossless coaxial line with a characteristic impedance of 50 Ω. The radius of the inner conductor is 1.2 mm.
b)what is the total power in the signal the power in the DC portion of the signal and the power in the time-varying portion of the signal c) write the equation for and sketch the power spectral desity of the random signal
a closed conical tank with diameter of 1.50 and height of 3.00 m, sitting on its circular base has 1.00m depth of water. Suppose the tank is upside down and is made to stand vertically that way using some device.
An input signal x(t) = cosωct is sampled by an ideal sampling function with ωs= 1.5 ωc. The sampled signal is then filtered with an ideal low pass filter H(ω)= rect(ω/1,5ωc) to form an output signal y(t) a. Sketch the fourier transform of the sampl..
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