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The terminal p.d. of a d.c. source is 22.5 V when supplying a load current of 10 A. If the emf is 24 V calculate
(a) the internal resistance and
(b) the resistance of the external load.
1. For the state diagram shown, answer the followings: A. Identify type of the circuit
Design a circuit that will SAFELY convert the output of a 60-Hz6.3V (rms) transformer into a source of TTL-level pulses, all withrepetition rate of 60 Hz and in synchronization with the sine wavesthat come from the transformer.
Determine the state diagram for the convolutional coder shown in Figure 11.48. Draw the trellis diagram through the first set of steady-state transitions. On a second trellis diagram, show the termination of the trellis to the allzero state.
aluminum has the FCC crystal structure. Its atomic weight is 26.98g/mole, and its density is 2.70g/cm3. Determine the atomic radius of a single aluminum atom.
A 230V, 60Hz voltage is applied to the primary of a 5:1 step down, center tapped transformer used in the Full-wave rectifier having a load of 900Ω. If the diode resistance and the secondary coil resistance together has a resistance of 100Ω.
A 12-kW, 120-V dc series generator has a series field resistance of 0.05 Ω. The generaated emf is 135V when the generator delivers the rated load at its rated terminal voltage. What is the armature resistance
determine whether a three bit number , a3,a2,a1 is equal to another number b3,b2,b1 or if it is greater than that number (We do not need an output for less than) a)Show how the 7485 would be connected to accomplish this.
Three cells whose open-circuit voltages are each V are connected in series. What is the open circuit voltage of the series connection If the same three cells were connected in parallel
A Si PIN photodiode has an i-Si layer of width 20 µm. The p+ layer on the illumination side is very thin (0.1µm). The PIN is reverse biased by a voltage of 100 V and then illuminated with a very short optical pulse of wavelength 900 nm.
Draw a set of coordinate axes, and plot the locations of si(t) , i = 0; 1; 2; ... ; 7, after expressing each one as a generalized Fourier series in terms of the basis set found in part (a).
Design a summing amplifier that produces an output Vout = (5/2)V1+(5/3)V2 - 4V3 . Draw the complete schematic and pick the appropriate component values. The smallest resistor in the circuit should be R
ENRG 2140 Lab Activity If a 20-gram weight is positioned 10 cm from the pivot, where should a 40-gram weight be placed and Why is it important for the standard to be as accurate as possible?
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