Current Electricity Eureka has _______ temperature co-efficient of resistance. Almost zero Negative None of the listed here Positive Almost zero Negative None of the listed here Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero Low High Very high Practically zero Low High Very high ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is None of the listed here 0.2% 0.3% 0.4% None of the listed here 0.2% 0.3% 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of Zero About 500 ohms Infinity About 50 ohms Zero About 500 ohms Infinity About 50 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Manganin Nichrome Copper Constant Manganin Nichrome Copper Constant ANSWER DOWNLOAD EXAMIANS APP
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 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP