Physics Indicate the false statement about the resistance of a wire 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 Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of charge Conservation of momentum Conservation of energy Conservation of mass Conservation of charge Conservation of momentum Conservation of energy Conservation of mass ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Amplifier Rectifier Conductor Oscillator Amplifier Rectifier Conductor Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Prism Convex lens Concave lens Glass slab Prism Convex lens Concave lens Glass slab ANSWER DOWNLOAD EXAMIANS APP
Physics Which process allows water to enter the atmosphere? Condensation Respiration Evaporation Transpiration Condensation Respiration Evaporation Transpiration ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Ernest Rutherfor Marie Curie Enrico Fermi Henri Becquerel Ernest Rutherfor Marie Curie Enrico Fermi Henri Becquerel ANSWER DOWNLOAD EXAMIANS APP