Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor but can be of any shape Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges ANSWER DOWNLOAD EXAMIANS APP
Physics Eddy current is generated by Conduction Direct Current Convection Induction Conduction Direct Current Convection Induction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Fossil fuel Nuclear Energy Renewable Energy None of these Fossil fuel Nuclear Energy Renewable Energy None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will Remain the same Rise First rise and then fall Fall Remain the same Rise First rise and then fall Fall ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to surface tension elasticity viscosity specific gravity surface tension elasticity viscosity specific gravity ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity The collector has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
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