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How much voltage current is dangerous? - Electrical Engineering Stack . . . Likewise, if the current and voltage are below a certain level, a person can--given enough time--safely absorb an arbitrarily large amount of electrical energy Further, if voltage is sufficiently low, the amount of current that can flow as a consequence of such voltage will be too low to cause harm
MOSFET as a Switch - When is it in Saturation? A) In linear region you can observe following: -> when increasing the SUPPLY voltage, the LED will get brighter as the current across resistor and transistor will rise and thus more will be flowing through the LED B) In saturation region something different will happen -> when increasing SUPPLY voltage, the LED brightness will not change
Why does a resistor reduce voltage if V=IR? [duplicate] According to Ohm's law, resistance varies directly with voltage You should read this the other way Voltage varies directly with current "R" is the constant of proportionality telling how much it varies If I add in a resistor to a circuit, the voltage decreases If you have a resistor in a circuit, with a current flowing through it, there will be a voltage dropped across the resistor (as
How to amplify and offset the voltage in an opamp? I need to amplify a voltage, which comes from a DAC and is 0-2 5V and scale it 0-25V in an operational amplifier After amplified, I need to offset it -1 25V, so the final voltage is -1 25 to 23 75V
What exactly does common-mode mean in the context of op-amps? Most, or maybe all, topologies could end up outside of common mode voltage ranges at some specific time What is important is to understand under what conditions will you be outside of the common-mode voltage range when designing a circuit, and if so will the op-amp you choose still suffice for your application?
How to calculate voltage drop over and power loss in wires How do I calculate the voltage drop over wires given a supply voltage and a current? How do I anticipate on voltage drop so that the final load has the correct supply voltage? What will be the power
Is it okay to use a power supply that provides slightly more voltage . . . Any device will only draw as much current as it needs, so long as its power source can supply it However, the laptop adapter's voltage is a full volt above the specified 18 V; this will cause more current to flow into your device, since the voltage has been increased
What is forward and reverse voltage when working with diodes? The reverse voltage is the voltage drop across the diode if the voltage at the cathode is more positive than the voltage at the anode (if you connect + to the cathode) This is usually much higher than the forward voltage As with forward voltage, a current will flow if the connected voltage exceeds this value This is called a "breakdown"