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 increased None of these Length of heating element has no effect on heating if water Length of heating element should be decreased Length of heating element should be increased None of these Length of heating element has no effect on heating if water 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 The insulation on a current carrying conductor is provided To prevent shock Both of the listed here None of above factors To prevent leakage of current To prevent shock Both of the listed here None of above factors To prevent leakage of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 2 kWh 3.2 kWh 6 kWh 5 kWh 2 kWh 3.2 kWh 6 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Vector quantity Number only Sometimes scalar and sometimes vector Scalar quantity Vector quantity Number only Sometimes scalar and sometimes vector ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Electrons Atoms Electrons and ions Nucleus Electrons Atoms Electrons and ions Nucleus ANSWER DOWNLOAD EXAMIANS APP