gen phys - 12

Ill. Problem solving, Show your complete solution. You may use extra paper for your solution 31-34. A 15 0 electric heater operates on a 120-V outlet. a. What is the current through the heater? b. How much energy is used by the heater in 30,0s? 35-40. A television set draws 2.0 A when operated on 120 V. a. How much power does the set use? b. If the set is operated for an average of 7.Oh/day, what energy in kWh does it consume per month (30 days)? c. At P8.50 per KWh, what is the cost of operating the television set per month? 41-44. An automobile headlight with a resistance of 30 ohms is placed across 12 V battery. What is the current through the circuit? Draw a circuit containing the given value. 45-50. What is the total capacitance of three capacitors, 0.40F, 0.20F and 0.60F when they are connected in a series b. parallel 51-56. Draw the symbol of each quantity. a resistor b. capacitor c. 12 V battery IV. Essay. 57-60. How does electricity affects our lives? 61-65. If you were given the chance to talk to the Director of CAGELCO II, what would you tell him/her as a solution to minimize the problem on the frequent power interruption in Cagayan