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1. It is generally dangerous to tuck electrical extension cords away behind furniture, under carpets, or anywhere else that they might cause a fire. It's the same reason why electric heating elements on stoves or in room heaters operate. What principle is involved and how does it operate in each of these situations?
2. Extension cords which are designed to carry heavier loads are generally larger in diameter than those which are not. Is this just a matter of adding more insulation, or is there a physical principle at work causing the larger diameter? Explain.
What is the sample period Ts?
Calculate the intensity transmission coefficient T1 for the following interfaces, assuming that the ultrasound beam is exactly perpendicular to the interface: muscle/kidney, air/muscle, and bone/muscle.
An embedded system consumes the following current when in different operating modes: Operating Mode Avg. Current Time Data Acquisition 4.2 mA 1.8 ms Communication 22.6 mA 2.5 ms Sleep Mode 0.5A 5 hours
Calculate a transfer function for the system shown in Figure. Consider Mt) to be the output and f(t) to be the input (at m = 0.5, B = 2, andK=9. Calculate a transfer function for the system silo. in Figure g2d7(d).Consider,(t) to be the output and f..
How do we determine the overall gain of a cascaded system of AV1, AV2, and AV3 in dB, in absolute What do we do if all the gains are given in dB, absolute and dB
Important information about System Analysis and Design, Elmwood College Situation: The school is considering a new system that will speed up the registration process.
Find the broadcast throughput of the network.
Given a four-volt peak to peak square wave, calculate the mean-square error in approximating the wave by only its fundamental sinusoidal component. Assume the average value is zero (no DC offset).
An aperiodic signal x(t) = 2sinc(2t) is multiplied by a periodic rectangular pulse train s(t) with fundamental frequency F0 = 4 Hz and the fundamental rectangular pulse given by p(t) = 1, 1/80 t 1/80 0, otherwise to obtain a signal xs(t) = x(t..
1.The Thyristor is a natural commutation device. What does that mean. 2.Mention two reasons why the HVDC might be your choice as a power system designer to transfer large amount of power.
The inductance of a closely packed coil of 400 turns is 9.5 mH. Calculate the magnetic flux (per winding) through the coil when the current is 5.0 mA.
Thre identical impedances are connected to a 3 phase, 415 V, 50Hz Y connected supply, the load draws 21kW at a power factor of 0.82 lagging. Draw all possible wiring arrangements for the load connected to the Y-connected supply.
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