ELCTRICAL SYSTEM FUNDAMENTALS ACTC

Ohm's law tells us that it takes 1 volt to push 1 amp through how many ohms?

• 4 ohms

• 3 ohms

• 2 ohms

• 1 ohms

Technician A says AC stands for alternating voltage. Technician B says DC is used to drive propulsion motors on most hybrid vehicles. Who is correct?

• technician A

• technician B

• Both technicians

• neither technician

Electron current flow is from:

• negative to positive

• AC to DC

• DC to AC

• positive to negative

The unit of  "power" is the:

• watt

• amp

• ohm

• volt

A material with more free electrons is commonly referred to as a(n):

• resistor

• conductor

• semi-conductor

• insulator

Conventional current flow is from:

• AC to DC

• DC to AC

• positive to negative

• negative to positive

How many paths are there in a series circuit?

• one

• two

• three

• four

The type of current supplied to your home is __________ current.

• alternating

• direct

• battery

• negative to positive

Current in a series circuit:

• 
  Is the same in all parts of the circuit.

• Is always direct current.

• 
  Varies irregularly from point to point.

• Decreases at is goes through the circuit.

According to Ohm's law, current equals what?

• 
  Voltage divided by resistance

• Resistance divided by voltage

• 
  The reciprocal of voltage times resistance

• Voltage times resistance