ASVAB Electric Current, Resistance, and Ohm's Law — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice ASVAB Electric Current, Resistance, and Ohm's Law in the app →A 3.00-V flashlight bulb has a hot resistance of 3.60 ohms. What current flows through it?A flashlight passes a total of 600 C of charge in 0.500 h. What is the average current?A car's starter motor draws 150 A while the battery holds 11.0 V across it. What is the motor's effective resiAn indicator light on a DVD player has a resistance of 140 ohms and passes 25.0 mA. What voltage supplies it?An extension cord has a resistance of 0.0600 ohm and carries 5.00 A to a power tool. What is the voltage drop A cheap extension cord made with thinner wire has a resistance of 0.300 ohm. How much power does it waste as hA wall outlet in a house supplies current that repeatedly reverses its direction of flow. What is this kind ofA 500-W room heater runs on 120-V AC power. What peak current does it draw?Military aircraft use 400-Hz AC power because equipment can be built lighter at that frequency. How long does A technician standing on a rubber mat has a total resistance of 300 kilohms. What current flows if the technicA bather touches a radio whose case is live, and the path through the body to the drainpipe has a resistance oWorn insulation lets a short circuit form across 240-V AC through a resistance of just 0.250 ohm. How much powMany electrical safety rules set the maximum allowed shock current at which value?Fuses and circuit breakers carry a rating that tells what they protect against. In which unit is that rating gA 1200-W toaster runs for 1 minute to make a slice of toast. How much electrical energy does that use?