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The filament of the lamp in X breaks and the lamp no longer conducts. It is observed that the voltmeter reading decreases and lamp Y glows more brightly. (i) Explain without calculation why the voltmeter reading decreases.
The filament of the lamp in X breaks and the lamp no longer conducts. It is observed that the voltmeter reading decreases and lamp Y glows more brightly.
(ii) Explain without calculation why the lamp Y glows more brightly
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