Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Celluloid Asbestos Mica Rubber Celluloid Asbestos Mica Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 24 50 36 12 24 50 36 12 ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? Only some ice will melt No change will happen All ice will melt All water will become ice Only some ice will melt No change will happen All ice will melt All water will become ice ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of displacement is known as ________ Acceleration Speed Velocity Distance Acceleration Speed Velocity Distance ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air ANSWER DOWNLOAD EXAMIANS APP
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