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An electrically powered, ring-shaped radiant heating element is maintained at a temperature of Th = 3000 K and is used in a manufacturing process to heat a small part having a surface area of Ap = 0.007 m2. The surface of the heating element may be assumed to be black. For ?1 = 30°, ?2 = 60°, L = 3 m, and W = 30mm, what is the rate at which radiant energy emitted by the heater is incident on the part?
Three resistors are connected in delta. If the line voltage is 13.2 kV and the line current is 102.2 A, calculate the following: a. The current in each resistor. b. The voltage across each resistor. c. The power supplied to each resistor.
Problem: Calculate the transfer function for the circuit shown below. In the circuit, R1 = R2 = k ? and C1 = C2 = 0.1 μF. Express your result as ratio of two polynomials.
An FM receiver has a Foster Seeley discriminator that has a transfer ratio K = 0.03v/khz. If the maximum IF deviation is 75Khz, what is the maximum output voltage of the discriminator What is the minimum output voltage of the discriminator
A 6th order Chebyshev low pass filter has a 0.5dB ripple in the pass-band and has a cutoff frequency of 5Khz, determine the attenuation (dB) of the signal at: 1. 4Khz 2. 40Khz 3. 40Mhz
Design a regulated DC power supply. You will have for input a 110 V input source at a frequency of 60 Hz. The Zener diode to use is the 1N4733A (which is available in the lab). The output voltage is to be 5.1 V with a load resistance above 2.2K.
Find the amplitude,peak-to-peak value, average (DC) value, frequency, period, and phase angle of the following sinusoidal waveforms: a. v(t) =-3V - (12V)cos(2*pi*100t+ π/4) b. v(t )= 3V+ (12V)sin(2*pi*100t+ π/4)
A given device has been determined that it attenuates 4.8dB in power from its input terminal to its output terminal. What is the output power in watts if a 150-W input has been launched into a system that has two of this type of devices
In a bank, among the accounts opened before 2005, 40% are saving accounts, 20% are chequing accounts and rest are mutual fund accounts. These numbers for accounts opened on or after 2005 are: 30% saving accounts,
Consider a p-type Si sample with a resistivity of 0.5 · cm. The doping level is uniform throughout. In a certain portion of this sample, there is an electric field of a magnitude 1000 V/cm. Estimate the magnitude of a) the electron drift velocit..
The historical development and context of the technology.
Design the graph for the following functions and what is the average signal power of this signal?
Instead the circuit designerdecides to use a short circuited transmission line to create the same reactance as the capacitor at1.6 GHz. Lossless 75 Ohm microstrip lines are used on the 3 mmthick circuit board, which is made of a material withε=4ε0..
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