Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Current unloader Surge protector Voltage unloader Heat protector Current unloader Surge protector Voltage unloader ANSWER DOWNLOAD EXAMIANS APP
Physics Which results in an increase in power? Doing less work in more time. Doing more work in less time. Doing more work in more time. Doing less work in less time. Doing less work in more time. Doing more work in less time. Doing more work in more time. Doing less work in less time. ANSWER DOWNLOAD EXAMIANS APP
Physics The lift of an aeroplane is caused by Pascel's law Law of gravitation Theorem of continuity Bernouli's theorem Pascel's law Law of gravitation Theorem of continuity Bernouli's theorem ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Rectifier Transformer Ammeter Galvanometer Rectifier Transformer Ammeter Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchoff's Voltage Law is known as Conservation of Charge Conservation Energy None of these Both Conservation of Charge Conservation Energy None of these Both ANSWER DOWNLOAD EXAMIANS APP
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