How much voltage is dangerous is not really a static number as it depends on your body resistance, time of exposure and source "stiffness" (i.e. how much current it can supply). You get figures like 60V (or as low as 30V) which are an attempt at an average figure above which "caution should be taken". However, depending on how "conductive" you are at any one time, sometimes e.g. 50V might be ...
Voltage is the difference in charge between two points. Current is the rate at which charge is flowing. Resistance is a material's tendency to resist the flow of charge (current). So, when we talk about these values, we're really describing the movement of charge, and thus, the behavior of electrons.
Learn the fundamentals of voltage, current, and resistance in electronics. Ohm's Law, practical applications, and key concepts with easy-to-follow explanations.
The greater the battery voltage (i.e., electric potential difference), the greater the current. And the greater the resistance, the less the current. Charge flows at the greatest rates when the battery voltage is increased and the resistance is decreased.
Ohm's law states that the electric current through a conductor between two points is directly proportional to the voltage across the two points. Introducing the constant of proportionality, the resistance, [1] one arrives at the three mathematical equations used to describe this relationship: [2] where I is the current through the conductor, V is the voltage measured across the conductor and R ...
Ohms Law Relationship By knowing any two values of the Voltage, Current or Resistance quantities we can use Ohms Law to find the third missing value. Thus, this Ohm’s Law formula can be used to calculate the values of circuit components, current levels, voltage supplies, and voltage drops around a circuit.