12. An electric circuit generates 84 watts of real power, how power was delivered to a load resistance at maximum power condition? a) 84 watts b) 42 watts c) 168 watts d) Cannot be solve 13. How much energy is used in 30 days by a 120 V clock having an internal resistance of 3 kilo ohm? a) 5.5 kw - hr b) 4.5 kw - hr c) 3.5 kw - hr d) 2.5 kw - hr 16. Two resistors carrying the same current have measured voltage drops of 12 volts and 46 volts respectively. The first resistor has a resistance of 30,000 ohms. What is the resistance of the other resistor? a) 114 k ohm b) 115 k ohm c) 2 ohms d) 200 k ohm