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 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 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics The flux commonly used in brazing is Borax Ammonium chloride Zinc chloride Resin plus alcohol Borax Ammonium chloride Zinc chloride Resin plus alcohol ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice At the sea level At the top of a mountain Under a mine Same anywhere At the sea level At the top of a mountain Under a mine Same anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Remains the same Decreases Becomes half Increases Remains the same Decreases Becomes half Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels slowly in moist air Moist air does not absorb sound Sound travels faster in moist air Moist air absorbs sound Sound travels slowly in moist air Moist air does not absorb sound Sound travels faster in moist air Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Phon Hertz Sone Decibel Phon Hertz Sone Decibel ANSWER DOWNLOAD EXAMIANS APP