Physics A dynamo is used to convert Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy Electrical energy into magnetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that usually are good conductors of electricity? Aluminium Nickel Wood Lead Aluminium Nickel Wood Lead ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 1, 2, 3 and 4 1, 2 and 3 only 3 and 4 only 4 only 1, 2, 3 and 4 1, 2 and 3 only 3 and 4 only 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? James Chadwick W.C Roentgen J.J Thomson Marie Curie James Chadwick W.C Roentgen J.J Thomson Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension MLT–2 corresponds to Force Velocity Work done Acceleration Force Velocity Work done Acceleration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS