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 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 Length of heating element has no effect on heating if water Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Low but not zero Zero High but within tolerance Infinite Low but not zero Zero High but within tolerance Infinite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Tungsten Cast iron Carbon Copper Tungsten Cast iron Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 5 ohms 10 ohms 15 ohms 55 ohms 5 ohms 10 ohms 15 ohms 55 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Current density None of the listed here Resistance Resistivity Current density None of the listed here Resistance Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 10 W 20 W 40 W 60 W 10 W 20 W 40 W 60 W ANSWER DOWNLOAD EXAMIANS APP