Physics Circuit breaker usually operate under Transient state of short-circuit current After D. C. component has ceased Sub-transient state of short-circuit current Steady state of short-circuit current Transient state of short-circuit current After D. C. component has ceased Sub-transient state of short-circuit current Steady state of short-circuit current ANSWER DOWNLOAD EXAMIANS APP
Physics On which of the following techniques photostate machine works ? Electrostatic Image—Making Electromagnetic Image— Making Magnetic Image—Making Thermal Image—Making Electrostatic Image—Making Electromagnetic Image— Making Magnetic Image—Making Thermal Image—Making ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The bell jar breaks up The mercury level starts falling The mercury level does not change The mercury level starts rising The bell jar breaks up The mercury level starts falling The mercury level does not change The mercury level starts rising ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is used to measure Wind velocity Wind speed and time Wind direction Pressure gradient Wind velocity Wind speed and time Wind direction Pressure gradient ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Inverted image Real image Erect image Virtual image Inverted image Real image Erect image Virtual image ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Electron absorption Atomic absorption Atomic emission Electron emission Electron absorption Atomic absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP