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 The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 64 Q 36 Q 48 Q 18 Q 64 Q 36 Q 48 Q 18 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 9 times 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Vaccum tubes Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes Circuits with low current densities Carbon resistors High voltage circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 9.6 A 4.6 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP