Because the meter is connected backwards
Electric current can flow in one of two directions in a wire; with alternating current, the direction changes continually, back and forth. The use of positive and negative values for voltage gives you a direction for the voltage. If current flowing to the right is positive, then current flowing to the left is negative.============================Answer #2:A negative reading indicates that the point to which the positive probe ofthe voltmeter is connected is at a lower potential than the point to whichthe negative meter probe is connected. It tells nothing about the circuitconditions except in combination with the knowledge of how the meteris connected.
Yes. This is usually an indication that either its current coil or its voltage coil has been wired incorrectly.
yes.. voltage regulation can be negative
Negative 48 volt DC voltage is simply a voltage that is negative 48 volts with respect to ground. This voltage is widely used in telecommunication systems.
What is the significance of negative values of voltage and current?Negative values show direction and that is the significance
This is important when meter cannot display negative values, e.g. it is analogous meter with scale. Most digital meters can display negative values. P.S. I am amateur in elecrtonics.
LED's are DC voltage. Transformers are AC voltage. There is no positive or negative on AC voltage. You would need a diode to change the AC to DC, then there would be positive and negative voltages.
Electric current can flow in one of two directions in a wire; with alternating current, the direction changes continually, back and forth. The use of positive and negative values for voltage gives you a direction for the voltage. If current flowing to the right is positive, then current flowing to the left is negative.============================Answer #2:A negative reading indicates that the point to which the positive probe ofthe voltmeter is connected is at a lower potential than the point to whichthe negative meter probe is connected. It tells nothing about the circuitconditions except in combination with the knowledge of how the meteris connected.
yes.. voltage regulation can be negative
Yes. This is usually an indication that either its current coil or its voltage coil has been wired incorrectly.
You should be asking, 'What is the potential reading of a positive wire....?', as 'voltage' means 'potential difference' and you can't have a potential difference on a wire! The positive wire has a potential difference of +110 V with respect to the negative wire.
When you take a voltage reading at the coil with ignition on and the ignition points are open you would get the same reading on both + and - .
Negative 48 volt DC voltage is simply a voltage that is negative 48 volts with respect to ground. This voltage is widely used in telecommunication systems.
You should be asking, 'What is the potential reading of a positive wire....?', as 'voltage' means 'potential difference' and you can't have a potential difference on a wire! The positive wire has a potential of +110 V with respect to the negative wire.Read more: What_is_the_voltage_reading_of_positive_wire_in_110V_dc
First of all, 'voltage' means potential difference -and you cannot have a potential difference 'at a point'. Similarly, you cannot have a 'negative' potential difference, so it doesn't make sense to talk about a 'negative voltage'.Your question, therefore, should read: 'How do you find the potential at a point in a circuit with respect to a negative potential?'The answer is that you simply connect a voltmeter between the two points. The reading will give you the value of the potential. If it reads upscale, then it'll be positive; if it reads downscale, then it will be negative (i.e. even more negative tan the reference potential).
The term, 'negative voltage', refers to its direction and has nothing to do with 'negative' in the 'charge' sense. It's used to indicate the direction in which a voltage is acting in relation to another voltage ('positive' if acting in the samedirection; 'negative' if acting in the opposite direction). So your question is confusing: 'negative' in relation to what?
What is the significance of negative values of voltage and current?Negative values show direction and that is the significance