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Ramesh got a broken filament. He gently joined the ends of the filament and worked it. Then it is seen that its power is increased. Can you explain why? The marking on an electrical appliance is 800W, 200V. a) If it works on 100V , what will be the consumed power? b) what is the power when it works on 50 V? c) calculate the amperage of the appliance. d) what happens if 500V is applied to the appliance?
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