A two-terminal variable resistor is known as a rheostat potentiometer thermistor wiper TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a type of energy source? battery rheostat generator solar cell TRUE ANSWER : ? YOUR ANSWER : ?
A material that does not allow current under normal conditions is a(n) valence semiconductor insulator conductor TRUE ANSWER : ? YOUR ANSWER : ?
A red, red, orange, gold resistor has a nominal value of 22000 2.2 22 2200 TRUE ANSWER : ? YOUR ANSWER : ?
When placed close together, two positively charged materials will repel become negative become neutral attract TRUE ANSWER : ? YOUR ANSWER : ?
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 34 C 105 C 10.5 C TRUE ANSWER : ? YOUR ANSWER : ?
The colored bands for a 4,700 ohm resistor with a ten percent tolerance are yellow, violet, red, gold orange, violet, red, silver yellow, violet, orange, gold yellow, violet, red, silver TRUE ANSWER : ? YOUR ANSWER : ?
An ohmmeter is an instrument for measuring current voltage resistance wattage TRUE ANSWER : ? YOUR ANSWER : ?
Materials with lots of free electrons are called insulators semiconductors filters conductors TRUE ANSWER : ? YOUR ANSWER : ?
When the current is 2.5 A, how many coulombs pass a point in 0.2 s? 0.5 C 1.25 C 12.5 C 5 C TRUE ANSWER : ? YOUR ANSWER : ?