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. 3 and 4 only 1, 2 and 3 only 4 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 only 4 only 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Rate at which velocity changes over time? Jerk Displacement Acceleration Speed Jerk Displacement Acceleration Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? W.C Roentgen James Chadwick Marie Curie J.J Thomson W.C Roentgen James Chadwick Marie Curie J.J Thomson ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic domains normally occur in Silver Copper Iron All of these Silver Copper Iron All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement depends on gravitational force? Weight Height Mass All of these Weight Height Mass All of these ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Increase Dacrease Remain constant Will increase first and then dcrease Increase Dacrease Remain constant Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP