Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ Mixed arrangement Parallel Series None of these Mixed arrangement Parallel Series None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1>C2 C1 = C2 C2>C1 C1pa = C2pg C1>C2 C1 = C2 C2>C1 C1pa = C2pg ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall Increases with height of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics One can distinguish a telescope from a microscope by observing Length Size of the lens Length and size of the lens Colour Length Size of the lens Length and size of the lens Colour ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Prism Glass slab Convex lens Concave lens Prism Glass slab Convex lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
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