Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Displacement Energy Acceleration Velocity Displacement Energy Acceleration Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is Amplifier None of these Rectifier Oscillator Amplifier None of these Rectifier Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 50 HZ Zero 60 HZ 100 HZ 50 HZ Zero 60 HZ 100 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are The electrons orbiting around the nucleus Neutral particles Charged particles emitted by nucleus Electromagnetic radiations The electrons orbiting around the nucleus Neutral particles Charged particles emitted by nucleus Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following uses a Non Renewable Energy Source? Nuclear Power Plant Hydro Electric Plant Wind Mill Power Plant Tidal Power Plant Nuclear Power Plant Hydro Electric Plant Wind Mill Power Plant Tidal Power Plant ANSWER DOWNLOAD EXAMIANS APP