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fault-relay reo1 - Hansen Electric spol. s ro

BBA IInd SEMESTER EXAMINATION 2008-09
BBA IInd SEMESTER EXAMINATION 2008-09

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TDA2040 - Micropik

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Current Electricity - Red Hook Central School Dst

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... parallel circuit. Your household lights that are connected to the light switches on the wall are on parallel circuits, this means that even if the light switch is off, power is still flowing, this is why you can have lights on and off in different rooms in the house. Batteries in your Discman or fla ...
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MAX9945 Evaluation Kit Evaluates: General Description Features

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... actual ground pin, since the output voltage is generated between two nodes, the actual output pin and the chip’s common node. Think about this for a moment and you should readily grasp how these returning signal currents will necessarily always follow an electrical path offering the least impedance; ...
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... values of the circuit parameters for Q1. B. RS affects the value of the low-pass breakpoint associated with C2. C. If R1 is decreased, the value of the gain will decrease, but the breakpoint frequencies for the overall circuit will not be affected. D. None of the other answers is correct. ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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