40 TOP VOLTAGE, CURRENT and RESISTANCE Online Test – Multiple Choice Questions and Answers Posted on April 16, 2024April 16, 2024 by engineerLeave a comment 1. Current flows in a circuit when a switch is closed the switch is either open or closed a switch is opened there is no voltage 2. Materials with lots of free electrons are called conductors insulators semiconductors filters 3. An ohmmeter is an instrument for measuring wattage voltage current resistance 4. If there is 6 A of current through the filament of a lamp, how many coulombs of charge move through the filament in 1.75 s? 3.4 C 10.5 C 34 C 105 C 5. A multimeter measures voltage resistance current current, voltage, and resistance 6. A wiper is the sliding contact in a thermistor switch potentiometer photoconductive cell 7. A thermistor is a type of resistor battery power supply switch 8. Electrons in the outer orbit are called nuclei valences waves shells 9. When the current is 2.5 A, how many coulombs pass a point in 0.2 s? 0.5 C 1.25 C 5 C 12.5 C 10. An ammeter is an electrical instrument used to measure resistance voltage current none of these Loading … Question 1 of 10