When resistors are connected in parallel, the voltage across each resistor remains the same. In a parallel circuit configuration, the voltage across all resistors connected in parallel is equal to the voltage across the entire parallel combination.
In a parallel circuit, the voltage is constant throughout all the branches, and each resistor provides a separate path for current to flow. The potential difference across each resistor is the same as the voltage applied across the entire parallel arrangement.
To put it simply, the voltage drop across each resistor in a parallel configuration is identical and equal to the voltage of the power source connected to the circuit. This is in contrast to resistors connected in series, where the total voltage is divided among the individual resistors in proportion to their resistance values.