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Voltage is the electrical potential difference between two points.

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Q: Why it is incorrect to say the voltage at point x is 12volts?
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What is voltage also known as?

The term, 'voltage', is synonymous with 'potential difference'.Originally, the term 'voltage' was used to describe potential difference when specifcally expressed in volts. These days, however, we use the term whatever multiples or submultiples of volts are used -so it applies to potential difference whether expressed in microvolts, millivolts, volts, kilovolts, megavolts, etc.It's very important to understand that voltage is synonymous with 'potential difference', and not'potential'. So it would be quite incorrect to describe, say, the 'voltage at a point' in a circuit (e.g. "...the voltage at point A in a circuit is +12 V").


Is voltage the same as potential?

volt drop and potential difference are effectively the same thing, although the term volt drop is usually used in reference of what voltage has to occur for a diode to conduct, or what volt drop is expected across a long wire etc, potential difference is used to refer to the difference in voltage over a potential divider.


What causes maximum secondary coil voltage?

I would hazard a guess and say that it is a bad coil.


What is the use of voltage divider circuit?

Biasing-Application of suitable DC voltages to operate our amplifiers in desired region of operation(say active or saturation or cut-off region) complying our needs.However in order to maintain a constant Q point irrespective of various external factors,hence it again comes to the need for biasing that compensates the change in external factors suitably thereby maintaining a constant Q-point. Voltage divider bias or self bias is a process of suitably biasing amplifier by connecting two resistors in series in the answer. By proper selection of resistors R1 and R2, the operating point of the transistor can be made independent of β.


What current do they draw if the resistance is 4.8 ohms?

Impossible to say without knowing the voltage

Related questions

What is voltage also known as?

The term, 'voltage', is synonymous with 'potential difference'.Originally, the term 'voltage' was used to describe potential difference when specifcally expressed in volts. These days, however, we use the term whatever multiples or submultiples of volts are used -so it applies to potential difference whether expressed in microvolts, millivolts, volts, kilovolts, megavolts, etc.It's very important to understand that voltage is synonymous with 'potential difference', and not'potential'. So it would be quite incorrect to describe, say, the 'voltage at a point' in a circuit (e.g. "...the voltage at point A in a circuit is +12 V").


Is voltage the same as potential?

volt drop and potential difference are effectively the same thing, although the term volt drop is usually used in reference of what voltage has to occur for a diode to conduct, or what volt drop is expected across a long wire etc, potential difference is used to refer to the difference in voltage over a potential divider.


How do you say to be incorrect in French?

To be incorrect is avoir faute


Is it incorrect grammar to say these ones?

Yes, the correct way to say it is "these." "Ones" is unnecessary in this context.


We say she has or she have?

you cannot say "he have" this is incorrect, it is " he has"


Is it grammatically incorrect to say sister and sister Or just sisters?

It is grammatically incorrect to say sister and sister. You just say sisters.


In what way does voltage help us?

Necessity ( or say function ) of voltage can be understood by the definition of voltage: Work required to be done ( or energy needed ) to move unit positive charge ( or electron ) from one point to another in the circuit is called voltage or the potential difference. Hence, it can be said that voltage helps in flow of current.


Does the back of the power supply have a switch that can be set for 220 volts?

Depending on the type of power supply you use. Heavy inear power supplies use a transformer that converts mains power to a lower voltage. They sometimes have a voltage selector switch that puts the two primary windings in series for 220 volts AC or in parallel for 120volts AC If it doesn't have a switch that controls the input voltage it might be a newer switch mode power supply that can automatically adjust for differing voltage inputs in different countries. The label should then say 80-240 volts AC input and say 12volts DC output. This can be plugged in straight away. Moving from the States to Europe requires you to get a voltage coverter of the right wattage from Tandy or CPC.co.uk.


Is it grammatically correct to say that 'India have'?

No. This is incorrect. We always say 'India has".


What best explains why mutations cannot cause evolution?

Biology has catalogued many traits produced by point mutations (changes at precise positions in an organism's DNA)--bacterial resistance to antibiotics, for example.To say otherwise is incorrect.But mutations do cause evolution. Biology has catalogued many traits produced by point mutations (changes at precise positions in an organism's DNA)--bacterial resistance to antibiotics, for example.To say otherwise is incorrect.


What does a negative cell voltage mean?

The reaction is spontaneous.


How do you say joke around in french?

"Blaguer." (this may be incorrect)