Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 2 : 5 4 : 25 25 : 4 5 : 2 2 : 5 4 : 25 25 : 4 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Zinc Copper Mercury Lead Zinc Copper 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 Increases None of these Decreases Remains same Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Increases Decreases Remains same None of the listed here Increases Decreases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A cube of carbon A column of mercury The unit length of wire A cube of copper A cube of carbon A column of mercury The unit length of wire A cube of copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
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