Physics Superconductors are substances which conduct electricity at low temperature conduct electricity at high temperatures offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at low temperature conduct electricity at high temperatures offer no resistance to the flow of electricity offer high resistance to the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Covalent attraction Dipole interaction Hydrogen bond formation Vander waals forces Covalent attraction Dipole interaction Hydrogen bond formation Vander waals forces 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 2P P < P > P 2P P < P ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because These provide some sunlight in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide cross ventilation in the room These provide some sunlight in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide cross ventilation in the room ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Hygrometer Lactometer Hydrometer Barometer Hygrometer Lactometer Hydrometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics Global warming is expected to result in Change in crop pattern Increase in level of sea All of these Change in coast line Change in crop pattern Increase in level of sea All of these Change in coast line ANSWER DOWNLOAD EXAMIANS APP
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