Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Mild steel Hard steel Stainless steel Soft iron Mild steel Hard steel Stainless steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in Fahrenheit) pure water freezes? 37 48 32 37 48 32 ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Pure silicon Copper Nichrome Platinum Pure silicon Copper Nichrome Platinum ANSWER DOWNLOAD EXAMIANS APP
Physics Point A is at a lower electrical potential than point B. An electron between them on the line joining them will Move at right angles to the line joining A and B Remain at rest Move towards B Move towards A Move at right angles to the line joining A and B Remain at rest Move towards B Move towards A ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? Lever The screw Wedge Both A & B Lever The screw Wedge Both A & B ANSWER DOWNLOAD EXAMIANS APP