Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Sonometer P – n junction diode Cathode ray oscilloscope Spectrometer Sonometer P – n junction diode Cathode ray oscilloscope Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The three famous law of Kepler is related to Optics Planetary Motion Oscillations Speed Optics Planetary Motion Oscillations Speed ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 500W 50W 1000W 25W 500W 50W 1000W 25W ANSWER DOWNLOAD EXAMIANS APP
Physics Liquids and gases never show Diamagnetic property Paramagnetic property Electromagnetic property Ferromagnetic property Diamagnetic property Paramagnetic property Electromagnetic property Ferromagnetic property ANSWER DOWNLOAD EXAMIANS APP
Physics The strength of an electromagnet can be increased by Increasing current supply Increasing the length of the coiled wire All of these Increasing the number of turns Increasing current supply Increasing the length of the coiled wire All of these Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
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