Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 24 36 50 12 24 36 50 12 ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards right None of these Bend towards left Remain straight Bend towards right None of these Bend towards left Remain straight ANSWER DOWNLOAD EXAMIANS APP
Physics Eddy current is generated by Direct Current Induction Conduction Convection Direct Current Induction Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Total internal reflection Atmospheric reflection Dispersion of light Atmospheric refraction Total internal reflection Atmospheric reflection Dispersion of light Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Curie Roentgen Rems Rads Curie Roentgen Rems Rads ANSWER DOWNLOAD EXAMIANS APP
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