Voltage is the measure of electrical potential difference between two points in a circuit. As voltage increases, the flow of electrons also increases, causing an increase in resistance. This is known as Ohm's Law: V=IR, where V is voltage, I is current, and R is resistance.
When resistors are connected in series, the overall resistance increases. This is because the current must flow through each resistor in order, and each resistor adds its own resistance to the circuit. The total resistance in a series circuit is equal to the sum of all individual resistances.
When resistors are connected in parallel, the overall resistance decreases. This is because the current has multiple paths to flow through, so the total resistance is less than the individual resistances. The total resistance in a parallel circuit is calculated using the formula: 1/Rtotal = 1/R1 + 1/R2 + 1/R3 ...
Yes, the voltage can be different for each resistor in a circuit, as long as they are connected in parallel. In a series circuit, the voltage is the same for all resistors, but in a parallel circuit, each resistor can have a different voltage drop depending on its individual resistance.
The relationship between voltage, current, and resistance in a circuit is described by Ohm's Law: V=IR. This means that the voltage is directly proportional to the current and inversely proportional to the resistance. In other words, an increase in voltage will result in an increase in current, and an increase in resistance will result in a decrease in current.