Automotive Technology Chapters 29 & 30

A watt-hour is the amount of power or watts that can be produced from a battery for a period of _____ hour(s).

• 0.5

• 1.0

• 1.5

• 2.0

Technician A says that when the switch is open, the capacitor charges up and absorbs positive charges. Technician B says that depending on the circuit and the type and size, the capacitor can be used to absorb voltage spikes or could be used for some other voltage needed within the circuit. Who is correct?

• A only

• B only

• Both A and B

• Neither A nor B

Technician A says if two bar magnets are placed together at like poles, they will snap together. Technician B says if two bar magnets are placed together at unlike poles, they will snap together . Who is correct?

• A only

• B only

• Both A and B

• Neither A nor B

Technician A says introducing an iron core into a current carrying coil increases the strength of the coil's magnetic field. Technician B says when a conductor is moved through a magnetic field, a voltage is produced . Who is correct?

• A only

• B only

• Both A and B

• Neither A nor B

Technician A says amperage is the measure of the amount of electrons flowing past a point in a circuit in one second. Technician B says says resistance is the opposition to current flow . Who is correct?

• A only

• B only

• Both A and B

• Neither A nor B

In an atom, electrons are said to be _____.

• negative

• positive

• protons

• neutrons

In a series circuit there is a 12 volt battery, a 6 ohm resistor, and an open circuit. Th voltage drop across the resistor is _____.

• 0 volts

• 6 volts

• 12 volts

• 24 volts

In a parallel circuit, the total resistance is _____.

• less than the resistance of the lowest resistor

• equal to the resistance of the highest resistor

• equal to the sum of the resistance of each resistor

• the result of dividing the resistance by the voltage

Technician A says voltage drop is the same as resistance. Technician B says voltage drop is the amount of voltage drop across each resistor. Who is correct?

• A only

• B only

• Both A and B

• Neither A nor B

There is a break in an electrical wire. Technician A says this is called a short. Technician B says this is called a ground . Who is correct?

• A only

• B only

• Both A and B

• Neither A nor B