Consider the following statements:1. when an electric bulb is switched on, the resistance of its tungsten filament increases.2. the resistance of pure metals increases on heating.Which of the above statements is/are correct?

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Consider the following statements:<br>1. when an electric bulb is switched on, the resistance of its tungsten filament increases.<br>2. the resistance of pure metals increases on heating.<br>Which of the above statements is/are correct?






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