VOLTAGE, CURRENT AND RESISTANCE QUIZ

An ohmmeter is an instrument for measuring

current

voltage

resistance

wattage

TRUE ANSWER : ?
YOUR ANSWER : ?

Materials with lots of free electrons are called

filters

semiconductors

conductors

insulators

TRUE ANSWER : ?
YOUR ANSWER : ?

When the current is 2.5 A, how many coulombs pass a point in 0.2 s?

5 C

0.5 C

12.5 C

1.25 C

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a type of energy source?

rheostat

solar cell

battery

generator

TRUE ANSWER : ?
YOUR ANSWER : ?

The colored bands for a 4,700 ohm resistor with a ten percent tolerance are

orange, violet, red, silver

yellow, violet, orange, gold

yellow, violet, red, silver

yellow, violet, red, gold

TRUE ANSWER : ?
YOUR ANSWER : ?

The current in a given circuit is not to exceed 24 A. Which value of fuse is best?

10 A

20 A

24 A

a fuse is not necessary

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?

10.5 C

105 C

3.4 C

34 C

TRUE ANSWER : ?
YOUR ANSWER : ?

A wiper is the sliding contact in a

switch

thermistor

potentiometer

photoconductive cell

TRUE ANSWER : ?
YOUR ANSWER : ?

A two-terminal variable resistor is known as a

rheostat

potentiometer

wiper

thermistor

TRUE ANSWER : ?
YOUR ANSWER : ?

Electrons in the outer orbit are called

waves

shells

nuclei

valences

TRUE ANSWER : ?
YOUR ANSWER : ?

↑