Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 50 V 200 V 100 V 150 V 50 V 200 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Nichrome Manganin Copper Constant Nichrome Manganin Copper Constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wires are made of superior material Resistance of heater coil is more than the supply wires Current through supply line flows at slower speed Supply wiring is covered with insulation layer Supply wires are made of superior material Resistance of heater coil is more than the supply wires Current through supply line flows at slower speed Supply wiring is covered with insulation layer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Impedance Inductance Resistance Capacitance Impedance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One watt One joule One joule second Five joules One watt One joule One joule second ANSWER DOWNLOAD EXAMIANS APP