(Note: Question #3 continues in the verbal section) 04a. Three resistors of 56.7 Q, 117 Q and 151 Q are placed in series and connected to a 7.33 V battery. a. In your work, draw a sketch of the circuit and then calculate the equivalent resistance of the circuit. 04b. Calculate the current through the 117 Q resistor. 04c. The same resistors are now placed in parallel across the same battery. c. In your work, draw a sketch of the circuit and then calculate the equivalent resistance of the circuit? (Note: Question #4 continues in the verbal section) 05a. A ray of light is incident on a straight boundary between air and another unknown material at an