• Shuffle
Toggle On
Toggle Off
• Alphabetize
Toggle On
Toggle Off
• Front First
Toggle On
Toggle Off
• Both Sides
Toggle On
Toggle Off
Toggle On
Toggle Off
Front

### How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

Play button

Play button

Progress

1/32

Click to flip

### 32 Cards in this Set

• Front
• Back
 What is Voltage? Difference of potentials, EMF(electromotive force),E (Electrical pressure) What is Current how is it measured? Electrical flow through a Conductor, measured in amps, it will take the path of least resistance. what is resistance and how is it measured? an Electrical obstruction, used to restrict current flow. measured in OHMS what is OHMS law? states that 1 volt of electrical pressure will cause 1 amp of current to flow through 1 ohm of resistance according to ohms law what formula is used to get volts(E)? current(I)? resistance(R)? V(E) = C(I)xR C(I) = V(E)/R R = V(E)/C(I) if voltage is held constant (1)decreasing amp will do what to resistance?,(2)if increase amp then will do what to resistance? (1)increase resistance (2)decrease resistance if resistance is held constant,(1)what whould happen if increase voltage?, (2)what about decrease voltage? (1)increase current (2)decrease current name some forms of LOAD ex: lamps & motors what is a series circuit? current only has 1 path what is a parallel circuit? has two or more separate branches or legs for current flow what is Ohms house? sum,same,sum,same,sum,stts (1)can jumper wires be used to detect a short? (2)what else can they test for? (3)what is a " DO NOT DO " for jumper wires? (1)yes (2)continuity (3)never jump a load NON-powered test light can test for what? Detects "some" voltage is present SELF-powered test light can test for what? it can test for shorts and continuity when doing a voltage measurement,the volt-meter is connected into circuit what way? parallel to circuit when measuring for current in a circuit the amp-meter is connected in what way? in series when measuring for resistance (1)what is the procedure? (2)and how is the OHM-meter connected? (1)power down and isolate (2)OHM-meter connected in series what kinda energy stored in a battery? chemical energy what are 3 major functions? (1)Source of current for starting engine (2)Stabilizer for electrical system(electrical spikes) (3)furnish current for limited time when demand for power exceeds charging system output what is negative plate made of? soft lead or sponge lead what is positive plate made of? lead peroxide one cell regardless of size can produce how much voltage? 2.0v to 2.2v what is electrolyte? 64% distilled water and 36% sulfuric acid what is the specific gravity for a fully charged battery? 1.265 what battery post is physically larger than the other? Positive post larger plate surface area results in? higher amperage thicker plates gives you what? more reserve amperage what is Cold cranking amps(cca)? max amps produced at 0 degree for 30 sec. without dropping below 7.2v or 1.2v per cell what is reserve capacity? how long can deliver 25amps at 80 degrees without droping below 10.5v or 1.75v per cell what types of gases are released from battery? Hydrogen gas Undercharging will cause what? sulfated plates Overcharging will cause what? oxidation of positive plate - witch will cause plates to crumble