Physics The waveform of a certain signal can be studied by P – n junction diode Sonometer Cathode ray oscilloscope Spectrometer P – n junction diode Sonometer Cathode ray oscilloscope Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave black hole theory? None of these Stephen Hawking Albert Einstein Isaac Newton None of these Stephen Hawking Albert Einstein Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Transformer Galvanometer Ammeter Rectifier Transformer Galvanometer Ammeter Rectifier 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 ? 24 A 0.41666666666667 8.5 A 24 A 0.41666666666667 8.5 A ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They emit light of a constant intensity Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Convection Insulation Conduction Radiation Convection Insulation Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
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