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1. A charge of 1020 C was passed through a wire in 5.5 min. What was the average electric current during that interval?
2. How long does it take for 67 C to pass a given point in a wire that carries an electric current of 0.80 A?
3. What is the potential difference across a 220 ohm resistor when a current of 3.50 A flow through it?
4. A piece of Nichrome wire passes a current of 0.853 A when a potential of 1.64 V is applied. What is the resistance of the wire?
5. Calculate the resistance of a piece of 20-gauge copper wire 2.00 m long. The cross-sectional area of 20-gauge wire is 0.5176 mm^2.
6. Compute the resistances of 18-gauge and 16-gauge copper wires of 5.00 m long. The cross-sectional area of 18 gauge wire is 0.8231 mm^2, and that of 16 gauge wire is 1.309 mm^2.
7. A flashlight lamp connected to battery that provides 1.4 V draws a current of 0.10 A. What electric power is used by the lamp?
8. A 150-W street lamp is operated for 12 hours a day. How much energy does it take to operate the lamp for 30 days? Express your answer in kilowatt-hours and in joules.
A four-pole three-phase synchronous generator has Xs = 1.82 per unit and ratings of 60 Hz, 24 kV, and 650 MVA. The generator operates at the following point: 60 Hz, armature voltage of 24 kV, output apparent power of 650 MVA
If the capacitor in the previous problem has a plate separation of 1 mm, what is the average displacement current, to the nearest tenth of a microamp, during that time period Assume a resistance of 180006 ohms and an applied voltage of 14 volts.
Determine the battery voltage required to obtain a flux density of 1.2 T in the air gap. Use the magnetization curve.
How many atoms are found inside a unit cell of a simple cubic, body-centered cubic, and faced-centered cubic crystal How far apart interms of lattice constant a are nearest neighbor atoms in each case, measured from center to center
Compare this spectral distribution with that of the radiation received on the surface of the earth at AM1.5. Briefly explain the causes of the difference between the emitted radiation of the core of the sun and the received radiation at the earth'..
The intensity of solar radiation is 1366.1 W/m2 in space. This light strikes a 10 m2 solar panel of a satellite. Assuming that all the light is absorbed, how much force (momentum per second) is transferred
open a savings account to save retirement. Every month you put $100 into a savings account which pays 8% interest compounded monthly. At the end of each year you receive a $500 bonus which you place directly into your retirement fund
What is the magnetic force on a square loop of current I placed in a uniformed magnetic field B with the plane of the loop perpendicular to the magnetic field. Explain
A 200-ohm transmission line is to be matched to a computer terminal with XL = (50 - j25) ohm by inserting an appropriate reactance in parallel with the line. if f = 800MHz and er = 4, determine the location nearest to the load at which inserting
a mobile telelphone system mts has 10 channels operating at 30 khz with a max 80 kilometer range. what is the
you want to send music to the dorms with 15 khz of am modulation frequency on a carrier of 1090 khz.if the carrier
Using the graph of BER vs CNR for BPSK, estimate the BER in clear air and in the specified rain conditions when no error correction is used, and when convolutional encoding with k = 7 is applied to the transmission. The bit rate is the same in eac..
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