Physics Ice is packed in saw dust because Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust will not get melted easily. ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be P < P > P 2P P < P > P 2P ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become One–fourth Double Four times Half One–fourth Double Four times Half ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Law of inertia Newton's third law Pascal's law Newton's second law Law of inertia Newton's third law Pascal's law Newton's second law ANSWER DOWNLOAD EXAMIANS APP
Physics The energy that generates wind comes from what source? Ocean currents Solar radiation None of these Anemometers Ocean currents Solar radiation None of these Anemometers ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Van de Graft Generator Betatron Cyclotron Synchrotron Van de Graft Generator Betatron Cyclotron Synchrotron ANSWER DOWNLOAD EXAMIANS APP
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