11.38: For the circuit shown, the four light bulbs have
zd7st;(5n 3+i9ohjc f(onjl l identical resistance, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the switch,
ij;n jt lc s(+z9f3l7don5( ho S, in the circuit is closed, a wire of zero resistance is added into the circuit. Which of the light bulbs will be dimmer after the switch is closed?