15.39: For the circuit shown, t
e(1 ne57w d3o56ysq:a ek dkoahe four lightbulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed, which one of the following choices correctly describes what
n 7 sd:y ew1e5qak3ka6do(5oe happens to the magnitude of the current at the point labeled P and to the magnitude of the potential difference from Wto X?
