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1. If the lead temperature of a 1N4736A zener diode rises to 100°C, what is the diode's new power rating?
2. In Fig. 5-44, what is the load voltage for each of these conditions?
a. Zener diode shorted
b. Zener diode open
c. Series resistor open
d. Load resistor shorted
Find a minimum two level circuit (corresponding to the sum of products expressions) using AND and one OR gate per function for each of the following sets of functions: f(a,b,c,d) =fm(1,3,5,8,9,10,13,14) g(a,b,c,d) =fm(4,5,6,7,10,13,14)
1) 70 lbs/hr of steam at 300 psia, 500oF passes through a turbine which expands it to a pressure of 30 psia. If the turbine operates with an efficiency of 70%: a) What is the temperature of the steam leaving the turbine b) What is the quality (% v..
Electric field due to planar charge density. An infinite plane, charged with a uni form surface charge density ρo is immersed in a dielectric of permittivity e. Calculate the electric field intensity everywhere in space.
The anode of the diode is connected to the inverting node of the op-amp, while its cathode is connected to the output of the op-amp. Determine the expression of the output node potential as a function of the input node potential.
If an ideal 1.4:1 step-down autotransformer is connected between the transmission line and the motor, what will the current be in the transmission line during starting? What will the voltage be at the motor end of the transmission line during star..
A 150 MVA, 24 kV, 123% three-phase synchronous generator carries the rated load at a power factor 0.83 (lagging). Calculate the necessary excitation voltage and input complex power.
three coins are tossed. Describe the following events: A. at least two heads occur. B. At most one head occurs. C. Exactly two heads occur. D. No heads occur Find the probability for the occurence of each event.
a. Neglecting resistance, determine the synchronous, transient and sub-transient reactances. b.If the machine is delivering 1.0 p.u. current at 0.8 power factor lagging at the rated terminal voltage when the short circuit is applied.
Compare the contributions of segments 2 and 4 to the magnetic field at point P (both magnitude and direction).
Suppose a random process is X(t) = A[cos(2fot + T)] where A and Fo are constants and T is a random variable that is uniformly distributed over [0, 2p]. 1. Is X(t) wide-sense stationary 2. Find power spectral density of x(t).
Determine the W/L ratio of the other transistors such that the maximum logic 0 value in any part of the circuit is 0.2 V.
If the starting current is to be restricted to 290 A, calculate the external resistance to be added in the motor circuit and the starting torque.
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