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An automobile engine heater is an electrical resistance heater that is plugged into a 110. V ac outlet and inserted into the oil dipstick tube of the engine. Its purpose is to keep the engine oil warm during the winter when the car is not in use, thus allowing the engine to start easier.
Determine the steady state irreversibility produced during an 8.00 h period by a 100. W steady state engine heater whose surface is isothermal at 90.0°C.
A transducer produces a sinusoidal waveform with an amplitude of 2.5 VPK and a DC offset of 0 VDC. The ADC input signal range is 0 V to 5 V. Describe the signal conditioning circuit that is needed to use the full-scale range of the ADC.
Find the magnitude of the electric field at all points in space both inside and outside the slab, in terms of x, the distance measured from the central plane of the slab. What is the field for x = 1.00 cm What is the field for x = 8.00 cm
An angle-modulated signal with carrier frequency ???ωc=2πx106 is described by the equation φEM(t) =10cos(ωct +0.1sin200πt) (a) find the power of the modulated signal. (b) find the frequency deviation Δf. (c) find the phase deviation ΔΦ.
How many of these errors change the character's parity How many are detected 2) Determine whether the nor operator ~ defined by a ? b = (a+b)' is associative, commutative, or distributive over +.(show and prove them all) 3) Simplify the 3-input bo..
A step up chopper is used to deliverload stage of 500V from a 220V DC source. - if the blocking period of the thyristoris 80micro sec the required pulse width is?
A LINEAR ONE-PORT IS MODELLED WITH A: 10V AT LOADRESISTANCE=10kilo ohm AND :0.5mA WITH LOAD RESISTANCE=100kiloohm. Find the equivalent resistance of the given one-port.
Two loads connected in parallel are supplied from a single-phase 240-V rms source. The two loads draw a total real power of 400kw at a power factor 0f 0.8 lagging. One of the loads draws 120kW at a power factor of 0.96 leading. Find the complex po..
Use a frequency of 1 kHz to determine the inductive and capacitive levels required for the input files. In each case write the required input file.
(a) Determine the steady state error for a unit step input R(s) = 1 / s. (b) Assume that the complex poles dominate, and determine the overshoot and settling time to within 2% of the final value.
Plot the I-V and P-V curves of the panel, An ideal PV panel model can be used to understand the operation of the P&O method. Let the panel parameters be n=1, T=300K, IL=3A, and Io=10-10A.
Design a circuit to generate a 20 kHz train of pulses with width proportional to an input voltage in the 0 - 5V range. You may use digital components such as clocks, counters and comparators.
How to solve : synchronous motor connted to infinite bus over short feeder with purely reactive impedance. Drawin P' - Delt ' characteristics showing A1 and A2 areas.
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