Find the resistance of a circular wire that is 0.5-m long with radius of 1mm and has a resistivity value of 0.03 ohm-meter.

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Q: Student Name: Student Number: Date: 1K 4K 6K 3K 5K

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Q: R1 E V3 R2 Figure 01: E = 30 V, I= 15 A, R1 = 10 Q and R2 = 5 Q Applying superposition theorem in…

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Q: Find V(t), t>0 12 N + v(t) 4 H 10 | 4Ω 24 V 6 Ω t = 0 %3D +1

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Q: 11 Determine the current flowing through resistor R2. (assume Zener voltage is 3 volts and Diode…

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Q: 12 I1 I2 15V 52 5V

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Q: A surge resistor of 4.7 ohm is added to Figure 4-45 in between the rectifiers circuit and the…

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Q: Use DTFT properties and transform-pair tables to find time-domain or frequency-domain signal as…

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Q: For the point charge Q = 30µc at the origin (0,0,0) . Find the potential difference between (8,6,7)…

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Q: What is the Fourier Transform of f (t) = 3; -2 <t<2 ㅇ 음sin(w) 0 름sin(20) O žsin(w) 0 음sin(2w)

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Q: FIND THE THEVENIN EQUIVALENT Vx 1 ΚΩ 2 kN 1 kN A +)2Vx 2 kN 1 kN В

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Q: Determine the voltage across the resistor R1. (assume LED forward voltage is 2.1 volts

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Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).