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Two uniform wires having circular cross-sections, both with the same length and made of identical material, are both maintained at the same potential difference and the same temperature. The first wire has a diameter of 2.2 mm and the second has a diameter of 4 mm. If the current in the first wire is 1.1 amps, then what is the current in the second wire?
A 220V dc shunt motor draws 10A at 1800rpm. The armature circuit resistance is .2ohm and the field winding resistance is 440 ohm.what is the torque developed by the motor
Steam is pumped into a tank, where it condenses and leaves as a liquid. The data at the entrance and exit of the tank are shown in the figure to the right. Determine the mass flow rate entering and exiting the tank, as well as the rate of change o..
AnNMOS operating in triode region with Vds=0.1V conducts 60μA forVgs=2V. The device conducts 160μA for Vgs=4V. Calculate Vt. IfKn'=25μA/V2 , what is the device W/L What current would flow for Vgs=3V and Vds=0.15V
A transmission line constructed from perfect conductors and airdielectric is to have a maximum dimension of 8mm for its crosssection. The line is to be used at high frequencies. Specify the dimensions if it: (a) a two-wire line with Zo = 300 Ω
Estimate the mass transfer area per unit volume (a) for this column, estimate the Hoy value for this column and calculate Noy and estimate the height of the column using your answer for Hoy
How hot would a conventional pipe have to get to burst and why Does it vary according to what material the pipe is made of Which are the strongest What are weak ones
An 8-bit ADC with a 10.0-V reference has an input of 3.797 V. Find the digital out- put word. What range of input voltages would produce this same output? Suppose the output of the ADC is 101101112. What is the input voltage?
Discuss different applications that could use non-inverting and inverting amplifier circuits. Will the actual op amp characteristics cause any challenges if used for each application What effect will high source resistance have on your output volta..
What is the conclusion that can be made for linear,square-shapedcells and frequency reuse factors C=3 and C=4 interms of theirSIR(Signal-interference ratio).
1. Derive boundary conditions for electric fields (both for tangential and normal components) 2. Derive boundary conditions for magnetic fields (both for tangential and normal components) 3. Why boundary conditions are so important in electromagnetic..
A diode is connected in series with a 30-V rms source to charge a 12-V battery with an internal resistance of 0.1 ohm. Specify the series resistance necessary to limit the peak current to 2A. Estimate the time required to recharge a 10-A hr batter..
You have a 10 meter length of .5 cm diameter Nichrome wire. A24 VDC voltage is to be applied to it. The initial wire temp is 70degF. The final wire temp is 200 degF. What ids the initial currentand what is the final current
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