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The diameter of no.12 Copper wire is 0.081in. The max. safe currentit can carry is 20 A. At this current, what is the drift velocityof the electrons? (the number of electrons carries on cubiccentimeter of copper is 8.5 x 1022.)
Three positive point charges, each with q = 3 nC, are located at the corners of a triangle in the x-y plane, with one corner at the origin, another at (2 cm, 0, 0), and the third at (0, 2 cm, 0). Find the electric field, E', at the origin.
consider a continuos LTI system with step response given by ys(t) = tu(t) - (t - 2)u(t - 2). A. Determine the laplace transform X(s) of the input signal x(t) = u(t). B. Determine the Laplace transform Ys(s) of the step response.
The resistance of the coil is 0.2 ohm. The inductance of the coil is 1.2e-4 H. The rotor inertia is 1.0e-5 kg m2. The current to torque gain is 0.03 Nm/A. The friction torque is 0.09 Nm. A 12 V voltage source is applied to the motor.
An ideal one sided silicon n+p junction has uniform doping on both sides of the abrupt junction. The doping relation is Nd=50Na. the built in potential barrier is Vbi=0.752 V. the maximum electric field in the junction is Emax=1.14*10^5 V/cm for a..
b) find nonhomogeneous solution with method of undetermined coefficient with constants evaluated c) combine homogeneous soluton with nonhomogeneous solution to form the general solution calculate the unknown constant in homogeneous part
Visible light has wavelengths from 400 to 700 nm in a vacuum. a. What is the range of frequencies b. For visible light in water, what is the range of wavelengths
Input resistance Rin=20K When fed from a signal source with a peak amplitude of 0.1v and a source resistance of 20k , the peak amplitude v(pi)is 5mv. specify Re and bias current Ic. The BJT has beta =100.
We are required to create a digital clock for the upcoming project. The class has been very disorgainzed and hard to follow, thus I've had a hard time keeping up with what's actually going on and don't quite understand all the material.
A buck converter has an input voltage that varies between 10 and 15 V and a load current that varies between 0.5 A and 1.0 A. The output voltage is 5 V. For a switching frequency of 200 kHz, determine the minimum inductance to provide for continuo..
The voltage and current in the Laplace domain for a certain system is given by V (s) = 1/12 1/s^2 +3, I(s) = s/s^2+3. Is this system best described as resistive, capacitive, or inductive?
A combinational logic circuit has two control inputs, C1 and C2, two data inputs, A and B, and one output, Z. Design a logic circuit that performs the logic operations on the two data inputs as specified in the table below: C1 C2 Logic Function
A magnetic flux of 400 microwebers passing through a coil of 1200 turns is reversed in 0.1 sec. Calculate the average value of the e.m.f induced in the coil. ( HInt use Faraday's Law)
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