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Q. Which of the following is a good conductor of heat but a bad conductor of electricity ?
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Q. If a charged body attracts another body, what charge can it have on the other body?
Q. Which of the following is a non renewable source of energy ?
Q. For photoelectric effect to take place, the metal used as the cathode should have ________
Q. For which of the following substances, the resistance decreases with increase in temperature?
Q. Speed regulation of synchronous motor is
Q. Through which light cannot pass?
Q. Which of the following is used as retardant in nuclear reactor?
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