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When lamps are connected in parallel, their brightness remains the same regardless of the number of lamps. This is because the voltage across each lamp is constant. In houses, the lights are connected in parallel, so even if all the lights are on, they do not dim. Questions: 1. Are lamps A, B, and C dimmer than lamp D? 2. Is the current through lamp D less than through lamp A? 3. What would happen to lamps A and B if lamp C was broken? Parallel lamps. Lamps can be connected in series or in parallel. If you connect lamps in parallel, the lamps stay the same brightness however many lamps you add. This is because the voltage across every lamp is the same. In your house, the lamps are connected in parallel. This means that even if you have all the lights on, the lights do not dim. 1. Are lamps A, B and C dimmer than lamp D? 2. Is the current through lamp D less than through lamp A? 3. What would happen to lamps A and B if lamp C was broken?
