Physics Indicate the false statement about the resistance of a wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the area of cross-section of wire It depends on material of wire It is directly proportional to the length of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the area of cross-section of wire It depends on material of wire It is directly proportional to the length of wire ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the cleanest source of energy? Nuclear power Biofuel Fossil fuel Wind energy Nuclear power Biofuel Fossil fuel Wind energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Polarisation Diffraction Photoelectric effect Interference Polarisation Diffraction Photoelectric effect Interference ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is Gamma rays Beta rays Alpha rays None of these Gamma rays Beta rays Alpha rays None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No acceleration is produced in it No force acts on it No work is done on it Its velocity remains constant No acceleration is produced in it No force acts on it No work is done on it Its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The emitter 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 base has the least concentration of impurity The emitter 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 base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
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