The ratio between voltage and current at 1). and 2).
The trick here is to discuss the relationship between voltage, current, and power.
Hey, the difference between wattage, voltage and current can be quite difficult to comprehend for most people.
Note that without knowledge of both the resistance and reactance the relationship between voltage and current cannot be determined.
Learn about the difference between voltage surges and spikes from this article.
The trade-offs between voltage, current, and frequency ratings also exist for a switch.
The connection between optical power and voltage in an imaging system is linear.
An electric arc has a non-linear relationship between current and voltage.
The relationship between resistance, current, and voltage (another part of the circuit) is shown by Ohm's law.
Before gas breakdown, there is a non-linear relation between voltage and current as shown in the figure.