Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Currents are additive Voltages are additive Power are additive Elements have individual currents Currents are additive Voltages are additive Power are additive Elements have individual currents 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 decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Voltmeter Galvanometer Rheostat Wattmeter Voltmeter Galvanometer Rheostat Wattmeter 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 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For which of the following 'ampere second' could be the unit? Energy Power Reluctance Charge Energy Power Reluctance Charge ANSWER DOWNLOAD EXAMIANS APP