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'Voltage' is simply another word for 'potential difference' so, clearly, there is no such thing as a 'voltage difference' because it would mean 'potential difference difference' which doesn't make any sense! So, if your question really means, 'What is the purpose of a voltage?', then the answer is that a voltage is necessary to drive current through a circuit.
What else can I help you with?
What is the purpose of a voltmeter in a circuit?
the purpose of a voltmeter is used to measure voltage in a circuit
What is difference between interposing voltage transformer and potential transformer?
potential transformer is to maser and protection purpose the ivt is used for synchronicing purpose
What is a synonym for voltage difference?
Potential difference is a synonym for voltage difference.
What is the Difference between supply voltage and input voltage?
no difference...
What is a common source for a voltage difference?
Batteries provide a voltage difference.
Another name for potential difference?
Voltage Voltage
What is the purpose of rectifiers?
voltage
What does not provide a voltage difference in a circuit?
Wires do not provide a voltage differenceAnswerAs 'voltage' is synonymous with 'potential difference', you appear to be asking "What does not provide a potential difference difference in a circuit?", which does not make any sense!
What does not provide a voltage a difference in a circuit?
Wires do not provide a voltage differenceAnswerAs 'voltage' is synonymous with 'potential difference', you appear to be asking "What does not provide a potential difference difference in a circuit?", which does not make any sense!
What is the difference between a voltage converter and a voltage regulator?
the difference between a voltage converter to a voltage regulator,is that a voltage converter,converts or changing the desired voltage to be used while the voltage regulator,regulates the input of the voltage amount not to excess to its inputs.
Another term for potential difference is?
voltage
Are potential difference and voltage always the same?
Voltage is simply another word for potential difference.
