Physics A NOT gate can be implemented by: A single resistor A single transistor Two diodes A single diode A single resistor A single transistor Two diodes A single diode ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing alternating current through it Hammering a magnet Heating a magnet Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Good absorber and bad reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Light Heat Sound Electromagnetic Light Heat Sound Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Evaporation Thermal Expansion Revolution Convection Evaporation Thermal Expansion Revolution Convection ANSWER DOWNLOAD EXAMIANS APP
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