7. Consider the circuit of identical bulbs and a switch shown on the right. B a. With the switch open, rank the brightness of the bulbs. Explain your A reasoning. , b. With the switch closed, how does the brightness ofthe bulbs now compare C to the brightness of the bulbs with the switch open? Explain your l reasoning. c. How does the current that passes through the battery when the switch is open compare to the current through the battery when the switch is closed? Explain your reasoning