1. The problem statement, all variables and given/known data A 60W lamp is placed in series with a resistor and a 120V source. If the voltage across the lamp is 25V, what is the resitance R of the resistor? 2. Relevant equations I derived R= V2/P from ohm's law to solve this problem. 3. The attempt at a solution R= V2/P =(25V)2/60W =10.4 ohms Is this answer correct? Thank you in advance for your time and help.