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is more than 90°
In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about?
In a conductor
In a D.C generator, following loss will be minimum
In a doctors stethoscope, sound is intensified because of
In a filament type light bulb most of the electric power consumed appears as
In a freezer ice cubes will be formed more quickly in trays made of
In a fully controlled bridge converter feeding a resistive load the waveshapes of output voltage and output current
In a fusion reaction,
In a laser (say neon laser) all the atoms emit the light waves of
In a nuclear reactor the moderator is used to
