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Is Voltage Always Positive? [Solved]
The magnitude of a voltage can be either positive or negative. If the voltage magnitude is positive, the voltage has the same polarity as shown on the diagram. If the voltage magnitude is negative, the voltage polarity is the opposite to that shown on the diagram.
Negative voltage and positive voltage
Answered question I get asked about negative
Which is the Killer, Current or Voltage?
Supply used is a XANTREX XKW series supply By: Mehdi Sadaghdar.
Potential diff. & negative potentials | Electric potential & capacitance | Physics | Khan Academy
The potential at any point is
