Brightness of bulb

Two identical light bulbs \(X\) and \(Y\), which are rated at \(60 \text{ W} \) ; \( 240 \text{ V,} \) are connected in series to a \( 240 \text{ V} \) source, as shown in the above diagram. If point A in the circuit is now connected to point B by a piece of copper wire with very low resistance, how will the brightness of each bulb change?

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