Jan 31, 2009 #1 R Reham New member Jul 23, 2008 2 0 1 voltage across the resistor? A 2.2 kOhm resistor in a stereo system dissipates 42 mW of power. what is the voltage across the resistor?
voltage across the resistor? A 2.2 kOhm resistor in a stereo system dissipates 42 mW of power. what is the voltage across the resistor?
Jan 31, 2009 #2 B billrussell42 Member Mar 17, 2008 100 0 16 P = E²/R .042 = E²/2200 E² = 92.4 E = 9.61 volts .