Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust does not stick to the ice. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust will not get melted easily. ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer works on the principle of Generator Self induction Inverter Mutual induction Generator Self induction Inverter Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Hans Bethe Albert Einstein Stephen Hawking Isaac Newton Hans Bethe Albert Einstein Stephen Hawking Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics A sphere rolls down on two inclined planes of different angles but same height, it does so In the same time with the same kinetic energy With the same speed In the same time In the same time with the same speed In the same time with the same kinetic energy With the same speed In the same time In the same time with the same speed ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 500W 25W 1000W 50W 500W 25W 1000W 50W ANSWER DOWNLOAD EXAMIANS APP
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