Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Porcelain Carbon Manganin Copper Porcelain Carbon Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Capacitor Inductor Resistor Reactor Capacitor Inductor Resistor Reactor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 200 V 150 V 50 V 100 V 200 V 150 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Current density Resistivity None of the listed here Resistance Current density Resistivity None of the listed here Resistance 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, 6.9 A 4.6 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
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