Copper at 20c has a resistivity of 172x10-8 ohm-m a
Copper at 20C has a resistivity of 1.72x10^-8 ohm-m. A potential difference of 2.0V is applied to a 1.00m long copper wire of radius 0.200mm. Find
(a) the resistance of the wire and
(b) the current through it at 20C.
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Consider the reaction of Al and Al+3 and Mg and Mg+2. If the Al+3 is 0.005 M and the Mg+2 is .40 M what is the potential energy. What is the Keq. What is the Gribbs Free Energy
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A 1.12 kg block is attached to a horizontal spring with spring constant 3500 N/m. The block is at rest on a frictionless surface. A 10 g bullet is fired into the block, in the face opposite the spring, and sticks.
Copper at 20C has a resistivity of 1.72x10^-8 ohm-m. A potential difference of 2.0V is applied to a 1.00m long copper wire of radius 0.200mm. Find the resistance of the wire
A three-phase transmission line is 80 mile long and serves a load of 250 MW at 220 KV and 0.8 power factor lagging. The A, B, C, D constants for the line in each phase are: Determine the sending end voltage and current
A block of mass of 4kg is dragged 2m along a horizontal surface by a force F=30N acting on a 53 degree to the horizontal. Find change in kinetic energy of the block
For the Circuit shown below, V1=5V, R1= 20 kiloOhm, R2= 100kiloOhm, and C= 0.1 microF. Assume the switch in the circuit below has been open for a long time. At t=0, the switch is closed and at t=5 sec the switch is re-opened.
Design an inverting amplifier with a gain of -12 that has an input impedance that is larger than 100K that can drive a 2K resistive load using bipolar transistors. Verify your design analytically and with SPICE.
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