Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 24 A 8.5 A 0.41666666666667 24 A 8.5 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Asbestos Rubber Mica Celluloid Asbestos Rubber Mica Celluloid ANSWER DOWNLOAD EXAMIANS APP
Physics If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects? Acceleration Kinetic Energy Momentum Velocity Acceleration Kinetic Energy Momentum Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? 100 W 25 W Both Neither 100 W 25 W Both Neither ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards left Remain straight Bend towards right None of these Bend towards left Remain straight Bend towards right None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The propagation of sound waves in a gas involves Adiabatic compression and rarefaction Isothermal compression and rarefaction Isobaric compression and rarefaction Isochoric compression and rarefaction Adiabatic compression and rarefaction Isothermal compression and rarefaction Isobaric compression and rarefaction Isochoric compression and rarefaction ANSWER DOWNLOAD EXAMIANS APP
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