Current Electricity If the efficiency of a machine is to be high, what should be low? Input power True component of power Losses kWh consumed Input power True component of power Losses kWh consumed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Tungsten Carbon Copper Cast iron Tungsten Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load None of these Remains same Decreases Increases None of these Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Length Resistivity Temperature Are of cross-section Length Resistivity Temperature Are of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 1.0 ohm 0.6 ohm 0.4 ohm 0.8 ohm 1.0 ohm 0.6 ohm 0.4 ohm 0.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest current The lowest resistance has the highest voltage drop The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest current The lowest resistance has the highest voltage drop ANSWER DOWNLOAD EXAMIANS APP
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