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 3.2 kWh 6 kWh 5 kWh 2 kWh 3.2 kWh 6 kWh 5 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Voltages are additive Power are additive Currents are additive Elements have individual currents Voltages are additive Power are additive Currents are additive Elements have individual currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Voltage Power Energy Resistance Voltage Power Energy Resistance 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 20 W 10 W 60 W 40 W 20 W 10 W 60 W 40 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of None of the listed here Resistivity Resistance Current density None of the listed here Resistivity Resistance Current density ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/°C ohms/ohm°C mhos/ohm°C mhos/°C ohms/°C ohms/ohm°C mhos/ohm°C mhos/°C ANSWER DOWNLOAD EXAMIANS APP