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Why is the potential difference zero?

Why is the potential difference zero?

It can just move from one point to another, without executing any work, because the superconductor offers NO resistance to it. Hence, the work done by a charge will be zero, no matter what. Since superconductors offer near zero resistance, the potential difference is zero between any two points in a superconductor.

Why is there no potential difference across a wire?

The reason that there is almost zero potential drop across a piece of connecting wire is that it takes almost no energy to make the charge flow.

At what point is the potential zero?

For example exactly half way (or otherwise equidistant from them) between two equal and oppositely charged point charges, potential is zero. If you move a particle between any two points of equal potential (zero or not) it doesn’t cost any energy.

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Where is potential difference zero?

The total potential at the point will be the algebraic sum of the individual potentials created by each charge. If you place the -1 C charge 1 cm away from the point then the potential will be zero there.

What is voltage when resistance is zero?

Here, the current is determined by the rest of the circuit. tl;dr- No, the V in Ohm’s law is meant as voltage drop, not absolute voltage; it’s better to write it as ΔV=IR=0, which just means that there’s no voltage drop between the terminals of the resistor when R=0.

What is the relationship between resistance and potential difference?

The current in a circuit is directly proportional to the electric potential difference impressed across its ends and inversely proportional to the total resistance offered by the external circuit. The greater the battery voltage (i.e., electric potential difference), the greater the current.

What happens if the resistance becomes zero in a short circuit?

If the resistance becomes zero (i.e short circuit) the current will still not flow as there is no potential difference. In this circuit the resistance is zero hence short ciruit. One of the end is connected to +5V and other to the ground. So the potential difference turns out to be 5V. Also,the resistance is zero or negligible (R=0).

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What is meant by the term zero resistance?

Zero Resistance is the condition of Superconductivity, Where the Resistance is zero in Electronics.

What happens if the resistance of an electric current source is 0?

Voltage is not 0 since the potential difference is determined by the source. In the limit of 0 resistance, it will be like completely turning on a faucet as opposed to letting it trickle. You get an increase in current keeping the p.d. roughly constant (assuming the source has a sufficiently large capacity).

What is a zero-ohm resistor?

A Zero-ohm resistors is simply a resistor with zero ohms. It’s a through-hole resistor that has been manufactured to have zero ohm of resistance and is marked with a single black band. A surface-mount ceramic resistor has single or multiple numbers of zeros to represent the zero-ohm resistance.