$$E _ { L I N E } = \sqrt { E_ R ^ { 2 } + E_ X ^ { 2 } }$$

Short Answer

$$E _ { L I N E } = \sqrt { E_ R ^ { 2 } + E_ X ^ { 2 } }$$ A lamp with a resistance (hot) of 50 ohms is connected across 120 volts. What current does the lamp receive?