Physics Magnetic field lines about a current-carrying wire None of these Extend radially from the wire Both of these Circle the wire in closed loops None of these Extend radially from the wire Both of these Circle the wire in closed loops ANSWER DOWNLOAD EXAMIANS APP
Physics Energy travels from Sun to Earth through Radiation Conduction Modulation Convection Radiation Conduction Modulation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Oxygen Nitrogen Freon Ammonia Oxygen Nitrogen Freon Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve = Vp Cannot be determined Ve < Vp Ve > Vp Ve = Vp Cannot be determined Ve < Vp Ve > Vp ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Which metal is the best conductor of heat? Copper All of these Silver Gold Copper All of these Silver Gold ANSWER DOWNLOAD EXAMIANS APP
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