Physics Magnetism at the centre of a bar magnet is minimum or maximum zero maximum minimum minimum or maximum zero maximum minimum 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 C2>C1 C1pa = C2pg C1>C2 C1 = C2 C2>C1 C1pa = C2pg C1>C2 ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle Reduce the friction between ground and the whee None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Holography is a technique of Recording a permanent three dimensional black and white photograph Recording a permanent three dimensional multicolour photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional black and white photograph Recording a permanent three dimensional multicolour photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Ultrasonics Megasonics Infrasonics Audible sounds Ultrasonics Megasonics Infrasonics Audible sounds ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be No change Two times Four times Half No change Two times Four times Half ANSWER DOWNLOAD EXAMIANS APP