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 4 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 only 4 only 3 and 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Modern vehicles use electroignition system Metal reflects radiowaves Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Metal reflects radiowaves Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant acceleration Constant speed Varying acceleration Constant velocity Constant acceleration Constant speed Varying acceleration Constant velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Weight of a body is maximum at the: Pole Equator Tropics Subtropics Pole Equator Tropics Subtropics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? Density of heavy water is higher than that of ordinary water It produces corrosion Freezing point of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water Density of heavy water is higher than that of ordinary water It produces corrosion Freezing point of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled ANSWER DOWNLOAD EXAMIANS APP
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