Physics Electrostatic precipitator is used to control the pollution of Water Noise Thermal Air Water Noise Thermal Air ANSWER DOWNLOAD EXAMIANS APP
Physics Newton's first law of motion gives the concept of Energy Work Inertia Momentum Energy Work Inertia Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Decreasing the focal length of the eyepiece Increasing the focal length of the objective None of these Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece Increasing the focal length of the objective None of these Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Rectifiers Oscillators None of these Amplifiers Rectifiers Oscillators None of these Amplifiers ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert C. to A.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. C. to A.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Absorb neutron Slow down neutron Increase speed of neutron Increase temperature Absorb neutron Slow down neutron Increase speed of neutron Increase temperature ANSWER DOWNLOAD EXAMIANS APP