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A coil of 2000 turns surrounds a flux of 5 mWb produced by permanent magnet. The magnet is suddenly withdrawn causing the flux inside the coil to drop uniformly to 2 mWb in 1/10 of a second. What is the voltage induced.
What is the magnitude of the frequency component at 30 kHz? The square wave is passed through an ideal rectangular low pass filter that completely attenuates all frequencies higher than 35 kHz. Write down an equation for the spectrum at the output ..
Understanding low, high and band pass filters, A signal in the IF section of an FM radio receiver occupies the frequency band 10.61 MHz to 10.79 MHz. Compute the bandwidth of this signal.
Linearity, order, casuality, and time variance for systems, What are the linearity, order, casuality, and time variance of each input-output relationship for systems?
What is the time response
What is the shape of the spectrum of the signal? What is the extent of the spectrum in the frequency domain? What is the unit that is applied to the magnitude of the spectrum?
Detailed Explanation to Op-Amp, A certain op-amp has an open-loop voltage gain of 100,000 and a common mode gain of 0.2. Determine the CMRR in dB.
There are two four bit messages, 1010 and 1110. The first one is appended with an odd parity bit, the second one with an even parity bit. What are the values of the parity bits for the first and second messages respectively.
Efficiency in a power transformer is 98.6 percent when loaded such that its copper losses are five times its core losses. Calculate the per unit resistance of this transformer.
Determine the Laplace transform of f(t) = +5e^-4t + 12sin 3t. If the voltage across a 2 F capacitor is initially zero, what is the instantaneous power if the current is A?
A set of digital scales is required to measure a load of 1000 N with an accuracy of ±1 N. Determine the minimum output resolution of the required ADC.
Draw a labeled sketch of x(t) over a few periods: be careful, make sure you follow the exact definition of x(t)
A current source of 12 cos 2000t A, a 200-ohm resistor, and a 0.2-H inductor are in parallel. Assume steady-state conditions exist. At t = 1 ms, find the power being absorbed by the (a) resistor; (b) inductor; (c) sinusoidal source.
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