Current Electricity An open resistor, when checked with an ohmmeter reads Infinite Low but not zero Zero High but within tolerance Infinite Low but not zero Zero High but within tolerance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 0.005 kWh 5 kWh 0.05 kWh 5 kWh 0.005 kWh 5 kWh 0.05 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High voltage circuits Vaccum tubes Carbon resistors Circuits with low current densities High voltage circuits Vaccum tubes Carbon resistors Circuits with low current densities ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the highest voltage drop The highest resistance has the most of the current through it 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? 200 V 50 V 150 V 100 V 200 V 50 V 150 V 100 V ANSWER DOWNLOAD EXAMIANS APP
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