Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Input power Losses kWh consumed True component of power Input power Losses kWh consumed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Tungsten Carbon Copper Cast iron Tungsten Carbon Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Positive Zero About 2 ohms per degree Negative Positive Zero About 2 ohms per degree Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Second electron from the orbit Third electron from the orbit Any electron from the orbit First electron from the orbit Second electron from the orbit Third electron from the orbit Any electron from the orbit First electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is independent of current strength the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m ANSWER DOWNLOAD EXAMIANS APP
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