Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Resonance Doppler effect Beats Echo Resonance Doppler effect Beats Echo ANSWER DOWNLOAD EXAMIANS APP
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 ? 8.5 A 24 A 0.41666666666667 8.5 A 24 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? All of these Hydro-electric generators Batteries Solar power plants All of these Hydro-electric generators Batteries Solar power plants ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Zener diode Junction diode Gun diode Tunnel diode Zener diode Junction diode Gun diode Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Absorption Respiration Photosynthesis Ingestion Absorption Respiration Photosynthesis Ingestion ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
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