Current Electricity In case of liquids, ohm's law is None of the listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 50 V 100 V 150 V 200 V 50 V 100 V 150 V 200 V 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 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 Length of heating element has no effect on heating if water Length of heating element should be increased None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Negative Zero Positive None of the listed here Negative Zero Positive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low Very low High Any value Low Very low High Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Dc circuits Semi-conductors High currents Small resistors Dc circuits Semi-conductors High currents Small resistors ANSWER DOWNLOAD EXAMIANS APP