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The human body can be electrocuted by as little as 10 milliamps (mA) of current.

Remember that voltage is a measure of the pressure driving the current, while

amperage measures how much current flows through something (in this case,

you). Also keep in mind that 10 mA is 1/100 of an ampere; it doesn't take that

much to disrupt a heartbeat. Too much voltage is whatever it takes, between

the two points where the circuit contacts your body, to drive 0.01 ampere of

current through your heart.

Another AnswerToo much voltage is whatever voltage causes its insulation to break down.
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Can you use a 12V power adapter on a device that requires a 6v adapter?

No, the voltage is too high by 25%. maybe. in many cases it will not work. However, some devices convert the input voltage to a lower internal voltage like 5V and then the higher voltage adapter may work. However, it could lead to other problems like overheating, so it is not a good idea. Many devices specify a range of input voltage


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Too much voltage dropped in the resistance of the extension cord is why some appliances become unsatisfactory over time.


What will happen if this 4.5 v bulb is connected to a 1.5 v cell?

The bulb need the correct voltage to operate. Your bulb would light if it is a 1.5 volt light. So the voltage of the supply and the light must be matched. Too little voltage won't light the light, too much will light it too much and blow it up.


Can a 24 volt Black and Decker battery be used on a 18 volt Black and Decker portable vacumn?

No, it is not recommended to use a 24 volt battery on an 18 volt device. Using a higher voltage battery can damage the device and may pose a safety hazard. Stick to the recommended voltage for the device to ensure proper functionality and safety.


Does a light fixture spark if you don't have a light bulb in it and turn the power on?

There is no spark between the terminals inside the socket. For a spark to occur, it would have to meet or exceed the "sparkover voltage", however the gap is too large and the voltage is too low (see: Paschen's Law, and breakdown voltage).

Related Questions

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Have the alterntor and voltage regulator checked.


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No.


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