alexmath said:We know that U=IR (ohm's law)
in a short circuit, R goes to 0, I goes to infinity so the voltage goes to 0*∞ which is undefined!
Why voltage is 0?
Voltage in a short circuit refers to the amount of electrical potential difference present in a circuit when it is shorted. This means that the current flows through a low resistance path instead of following its intended path, resulting in a sudden and significant increase in voltage.
In a short circuit, voltage behaves in an unpredictable manner. Since the current is not flowing through the intended path, the voltage may increase significantly and can cause damage to the circuit or any connected devices. It is important to address a short circuit as soon as possible to prevent any potential hazards.
The most common cause of voltage in a short circuit is a sudden loss of resistance in the circuit. This can be due to a damaged wire, faulty component, or incorrect wiring. Other factors such as power surges or lightning strikes can also cause a short circuit and result in a high voltage.
Yes, voltage in a short circuit can be dangerous as it can cause damage to the circuit and any connected devices. In addition, the sudden increase in voltage can also create a fire hazard. It is important to address a short circuit immediately and take necessary safety precautions to avoid any potential hazards.
To prevent voltage in a short circuit, it is important to ensure that the wiring is done correctly and that all components are functioning properly. Regular maintenance and inspections can also help identify any potential issues that could lead to a short circuit. In addition, using circuit breakers and fuses can help prevent high voltage in case of a short circuit.