Current Electricity The resistance of conductor varies inversely as Temperature Area of cross-section Length Resistivity Temperature Area of cross-section Length Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased 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 Partially obeyed None of the listed here Fully obeyed There is no relation between current and p. d Partially obeyed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low Any value Low High Very low Any value Low High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open Rest of the two bulbs will not light The other two bulbs will light There will be heavy current in the main line All three bulbs will light Rest of the two bulbs will not light The other two bulbs will light There will be heavy current in the main line All three bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High melting point Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance High melting point Low specific resistance Negligibly small temperature co-efficient of resistance High specific resistance ANSWER DOWNLOAD EXAMIANS APP
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