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1. 45 A of current passes through a cross section of wire. How many charges pass through in 3 seconds?
A. 9.375 x 10^19
B. 3.59 x 10^16
C. 2.16 x 10^17
D. 8.4 x 10^20
2. A 30 ohm resistor dissipates 500W of power. What current is running through the resistor?
A. 15000 A
B. 16.6 A
C. 4.06 A
D. 0.052 A
3. How is current affected if the number of charge carriers decreases?
A. The current increases.
B. The current decreases.
C. The current initially decreases and then is gradually restored.
D. The current is not affected.
4. The current in an electron beam in a cathode-ray tube is 7.0 x 10^-5 A. How much charge hits the screen in 5.0 s?
5. A wire carries a steady current of 0.1 A over a period of 20 s. What total charge moves through the wire in this time interval?
an electron experiences a magnetic force with a magnitude of 4.40times10-15 n when moving at an angle of 56.0circ
Identify how the existence of interest groups and political parties affect the public opinions of Texans. Is this affect beneficial or hinderances to the prinicipal of local control popular in Texas policy Why
a 15 uF capacitor is charged to 40 V and then connected across aninitially uncharged 25 uF capacitor. What is the final potential difference across the 25 uF capacitor.
For best precision, he wants to condition the signal such that it utilizes the full range of the A/D converter. Calculate the required DC offset and gain of the signal conditioner such that the signal will utilize the full range of the A/D converte..
give three methods that are used to express logic relationship between inputs and outputs of a logic gate, for example a three-inputs NOR gate.
Determine the heat rate from a single channel per unit length of the platen normal to the page, q;. Determine the outer surface temperature of the cover plate, Ts.
When you get to work one day you see that the station is delivering 6.0 MW of power with a power factor cosf=0.9. What is rms current. How much capacitance you should add in series to bring the power factor to 1.0. How much power the station will b..
Assume a receiver is located 10 km from a 50 W transmitter. The carrier frequency is 6 GHz and free space propagation is assumed. Assume the unit gains for the system gains. Find: a) The power at the receiver
1. What is the difference between discrete system and digital system. 2. What is "baseband modulation"? What types of baseband modulation are there. 3. How does time division multiplexing work? What factors affect how many channels you can transmit.
In a digital audio system, a digital to analog converter reproduces the analog voltage levels represented by the digital samples. This signal is inherently jagged with sharp transitions between each sample.
Consider a coaxial transmission line that consists of inner andouter conductors of radii a and b, and is filled with an electroncloud with a volume charge density ofρv=γ/ρ[C/m3] fora
2 diodes connected with their anodes tied together, and cathodes tied to 10v and ground. The voltage at the anodes is 0.1v. The diodes conduct 1mA at 0.7v. find by what factor the reverse leakage current of the diodes exceed Is.
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