Physics A spherical ball made of steel when dropped in mercury container Will be partly immersed mercury Sink in mercury Will dissolve in mercury Will be on the surface of mercury Will be partly immersed mercury Sink in mercury Will dissolve in mercury Will be on the surface of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 3 and 4 only 1, 2 and 3 only 1, 2, 3 and 4 4 only 3 and 4 only 1, 2 and 3 only 1, 2, 3 and 4 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be 2P P < P > P 2P P < P > P ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Visible light X–rays Ultraviolet rays Infrared rays Visible light X–rays Ultraviolet rays Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics An Electric generator is based on which of the following scientific principles? Laws of Thermodynamics Newton's Law of Motion Super Conductivity Faraday's law of Electromagnetic Induction Laws of Thermodynamics Newton's Law of Motion Super Conductivity Faraday's law of Electromagnetic Induction ANSWER DOWNLOAD EXAMIANS APP
Physics Instruments for measuring Solar Radiation? Pyranometer Anemometer Ammeter Dynamometer Pyranometer Anemometer Ammeter Dynamometer ANSWER DOWNLOAD EXAMIANS APP
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