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If a resistor is inserted into the breadboard with one leg at point A and one leg at point B, what resistance will an ohmmeter measure for that resistor? Why?
What should you do instead to measure the proper resistance?
The meter constant of a single-phase 240 V induction watt-hour meter is 400 revolutions per Kwh. the speed of the meter disc for a current of 10 amperes at 0.8 p.f. lagging will be
Neglecting losses, determine the power that can be developedfrom Niagara Falls, which has an average height of 168 ft and over which the water flows at 500,000 tons per minute.
1. Describe types of electrical hazard, their causes, the dangers and what can be done to prevent them. 2. Provide some guidelines, using the standards provided, on electrical hazards identified above.
If the circuit is driving a 100Ω load with a signal generator that has an output impedance of 50Ω and an open-circuit output voltage of .5sin(500t+30º), determine the steady state output voltage.
Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 26 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 72 m away
The voltage across an element is 12e to the power of -2t . The current entering the positive terminal of the element is 2e to thepower of -2t . Find the energy absorbed by the element in 1.5 s starting from t=0
1- A particular gas exerts a pressure of 2.79 bar. What is this pressure in units of pascals 2- A particular gas exerts a pressure of 3.43 bar. What is this pressure in units of atmospheres 3- A particular gas exerts a pressure of 4.79 atm.
Consider a unity feedback control system with plant transfer function G(s) and controller transfer function Gc(s). (a) If the phase margin and crossover frequency are adequate but you need to increase the error constant.
What is the difference between a latch, register, and Flip Flops?
When communicating with a geostationery satellite from earth,the distance between transmitter and receiver is approximately 35000km.assume that the friis law for free space loss is applicable and the stations have parabolic antennas
Construct a block diagram and an ASMD chart for digital system that counts the number of people in a room. The one door through whichpeople enter the room has photocell that changes a signal x from 1to 0 when the light is interrupted.
A solar cell with an area of 4 cm^2 has I-V characteristics under illumination from a 600 W source it drives a load of 5 ohms. calculate power delivered to load and efficiency of solar cell.
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