Electrical 2 Test 1

Unlike magnetic poles _______, and like poles ______.

• repel, attract

• attract, repel

• repel, repel

• attract, attract

two techs are discussing electromagnetic induction. Tech A says that the induced voltage can be increased if the speed is increased between the conductor and the magnetic lines of force. Tech B says that the induced voltage can be increased by increasing the strength of the magnetic field. Who is correct?

• tech A

• tech B

• Both

• Neither

the strength of the magnetic field that surrounds a single conductor with current flowing through it..

• is usually weak

• varies directly with the amount of current flowing through the conductor

• can be detected using a magnetic compass

• all of these choices

battery electrolyte is a mixture of water and..

• lead peroxide

• sulfuric acid

• lead sulfate

• all of these

which of the following is true of a 12-volt automotive battery?

• it has six cells connected in series

• it has six cells connected in parallel

• it has three cells connected in series

• it has three cells connected in parallel

the correct ratio of water to sulfuric acid in battery electrolyte is approximately..

• 80% water 20% sulfuric acid

• 64% water 36% sulfuric acid

• 35% water 65% sulfuric acid

• 20% water 80% sulfuric acid

each cell of a fully charged six cell battery produces..

• 1.75 volts

• 4.2 volts

• 1.2 volts

• 2.1 volts

the capacity of a battery is determined by its..

• number of plates

• size of plates

• both

• neither

battery corrosion may be cleaned with..

• water

• a solution of baking soda and water

• a solution of baking flour and water

• kerosene

to check for a battery drain, you would connect an ammeter between the..

• battery and alternator

• battery (+) and (-) terminals

• battery (+) terminal and ground cable

• battery (-) terminal and ground cable