Physics Electric current is measured by which instrument? Ammeter Sinometer Voltmeter Barometer Ammeter Sinometer Voltmeter Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: Low voltage to high voltage High voltage to low voltage Direct current to Alternating current Alternating current to Direct current Low voltage to high voltage High voltage to low voltage Direct current to Alternating current Alternating current to Direct current ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Will increase first and then dcrease Remain constant Increase Dacrease Will increase first and then dcrease Remain constant Increase Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics A galvanometer can be converted into a voltmeter by connecting with it a High resistance on series Low resistance on parallel High resistance in parallel Low resistance in series High resistance on series Low resistance on parallel High resistance in parallel Low resistance in series ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Unequal heating of different parts of the atmosphere Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Depletion of ozone layer in the atmosphere Unequal heating of different parts of the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours 20 minutes You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours 20 minutes ANSWER DOWNLOAD EXAMIANS APP
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