Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency Not work at all ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Equal to the true weight More than the true weight Less than the true weight May be more or less than true weight Equal to the true weight More than the true weight Less than the true weight May be more or less than true weight ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to C. and A.C. circuits both None of these C. circuits only C. circuits only C. and A.C. circuits both None of these C. circuits only C. circuits only ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Dispersion of light Atmospheric reflection Atmospheric refraction Total internal reflection Dispersion of light Atmospheric reflection Atmospheric refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Curie point is the temperature at which Matter becomes radioactive A metal loses magnetic properties. Transmutation of metal occurs. A metal loses conductivity Matter becomes radioactive A metal loses magnetic properties. Transmutation of metal occurs. A metal loses conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Intense sunlight at noon The heating effect of current alone Both the heating effect of current and hysteresis loss Hysteresis loss alone Intense sunlight at noon The heating effect of current alone Both the heating effect of current and hysteresis loss Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
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