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Q1.Two alternating currents i1 and i2 flow in a circuit node. The output current i is given by i1 + i2.
If i1 = 5sin( 50t + /3 ) and i2 = 6cos50t
Calculate the amplitude of i and the first time that it occurs.
Q2. The instantaneous power p, in an electric circuit, is given by p = iv, where v is voltage and i is current.
Calculate the maximum value of power in the circuit if:
v = 0.02 sin(100t)volts, and i = 0.6 sin(100t + /4)amps
Also calculate the first time that the power reaches a maximum value.
A circular loop of radius a is located in the y-z plane center at the origin in the presence of a uniform B field pointed in the +x direction. At t=0 the loop is rotated counter clockwise with radial frequency about the z-axis.
the pep transmitted by an acssb system is 140 w. it uses an ne571n compandor lic. calculate the power transmitted
Design a CE amplifier to meet one of the sets of specifications below. Assume RI = 0 and R3 = ∞ for your calculations and use standard resistor values. Calculate the Q-point, Av, Rin and Rout. Simulate your design and compare with your calculation..
Why do you think we need both rectangular and polar forms. There still seems to be some confusion about the relationship between R, Xc, OR XI and the phase angle. Take a value for R and a value for XC that is ten times smaller than R and find the..
Identify three test cases, one using a number with 4 factors, one using a negative number, and one using a number with more than 4 factors. For each of the three test cases show what inputs you will use and what your expected outputs should be.
For a given lithium ion battery, it can supply 0.85 ampere-hours, or 850 (mAh) with a constant output voltage of 3.6 (V). How much energy is stored in this lithium ion battery. How much energy is imparted to an electron that flows
A 230V, 25hp, shunt DC motor draws an armature current of 90Aat full rated load. The armature resistance is 0.2 ohms and theshunt field resistance is 216 ohms. Determine the rotational lossesand motor efficiency at full load.
Define an embedded system and how it differs from a microcomputer-based system. Identify various applications for a microcontroller-based designed system.
What is the de Broglie wavelength of an electron at150eV. what is the wavelength for electrons at 10keV, which istypical of electron microscopes. Comparing this to visiblel light,comment on the advantages of electron microscopes.
The fundamental to an understanding of EMC are the concepts of differential mode, common mode and antenna mode radiated field coupling. Describe the differences between differential mode and common mode coupling. How does it apply to both emissio..
A system or component is imaginary (critically ) stable if at least one real part of the roots of the characteristic equation is equal to zero. Determine the stability of the following system and design the circuit.
An ideal p-n junction diode has saturation current Is = 3e-15 A. Calculate the diode current.
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