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a) Explain Systematic Errors and Random Errors with suitable a case study for each error. Briefly comment on your answer based on your explanation.
b) A computer engineer created a program in which the input signals are accepted from the sensors in the form of denary numbers and the output device requires the signal to be in binary form, but the processor works only based on the signals in the form of octal number. If the input is given to be 5613.90625, then what will be the binary number for the output signal? Give a brief comment based on your answer.
c) An electrical engineer while checking the electric circuit of an electronic device connects an Alternating voltage of 240 V, 50Hz across an impedance of (60 - j 100) Ω. Determine the resistance, the capacitance, the magnitude of the impedance and its phase angle and the current flowing. Give a short comment on your answer.
d) A complex signal encoder sends signals through the radio waves in the form of complex equation (x - j2y) + ( y - j3x) = 2 + j3. The decoder on the other end decodes the complex signal to reveal the message. Solve the above complex equation to decode the signal. Briefly give a comment on your answer.
A point charge of 20nC is located at (4,-1,3), and a uniform line charge of -25 nC/m lies along the intersection of the planes x=-4 and z-6. a) calculate D at (3,-1,0). B)how much electric flux leaves the surface of a sphere of radius 5 ,centered a..
i) A table of values of the normalized magnitude of the voltage phasor on the line as a function of position on the line, with the normalization done relative to the value of the voltage magnitude at the voltage maximum point on the line.
An 8-bit DAC outputs a value of 9.961 V when the input is FF (hexadecimal). What is the output when the input is 5A (hexadecimal)
A system is required that represents 0 to 100 volts in a 10 bit code. What is the voltage increment that is represented by the LSB of this code.
Electrons in silicon carbide have a mobility of 1000 cm^2/V-sec. At what value of the electric field do the electrons reach a velocity of 3 X 10^7 cm/s Assume that the movility is constant and independent of the elctric field.
Prove that the terminals of a voltage controlled current source (VCCS) can be connected so as to form a 2 terminal element that behaves exactly like a resistor.
1- What is the magnitude of the impedance of an inductor of 34 H at an angular frequency of 783 rad/s (0 decimals in k) 2- What is the phase angle of the impedance of an inductor of 87 H
A firm leases land from you for 15 years to build a warehouse. As payment you will own the building after 15 years estimated to be worth $400k however you must pay taxes and maintenance of $15k per year.
Desired D.C. Output : 10 V Load Variation: 0.3 kilo-ohms - 10 kilo-ohms Ripple Factor: Less than 0.1% for 2 kilo-ohms load Load Regulation: Better than 3 mV for a 1 mA change in load current
a). Develop a function with the name myAMmod to modulate the message signal. Use a carrier frequency fc=200hz. Plot the magnitude spectrum of the message signal and the modulated signal and explain the difference between them.
WHAT ELECTRICAL PARAMETER DOES AN OHMMETER MEASURE AND WHAT ARE ITS UNITS. SHOW BOTH NAME AND SYMBOL FOR THE PARAMETER AND ITS UNITS.
Three resistors R1, R2 and R3 are connected in series and a supply voltage of 240 V. If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each resistor.
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