Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 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 40 W lamp will glow brighter Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Losses True component of power kWh consumed Input power Losses True component of power kWh consumed Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Nichrome Copper Manganin Constant Nichrome Copper Manganin Constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Zinc Lead Mercury Copper Zinc Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Remains same Decreases None of these Increases Remains same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Fully obeyed There is no relation between current and p. d None of the listed here Partially obeyed Fully obeyed There is no relation between current and p. d None of the listed here Partially obeyed ANSWER DOWNLOAD EXAMIANS APP
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