Home Chapter 13 Chapter Quiz

# Chapter Quiz

This activity contains 10 questions.

## Technician A says that magnetic lines of force can be seen by placing iron filings on a piece of paper and then holding them over a magnet. Technician B says that the effects of magnetic lines of force can be seen using a compass. Which technician is correct?

 Technician A only Technician B only Both Technicians A and B Neither Technician A nor B

## Unlike magnetic poles ________, and like magnetic poles ________.

 Repel; attract Attract; repel Repel; repel Attract; attract

## The conventional theory for current flow is being used to determine the direction of magnetic lines of force. Technician A says that the left-hand rule should be used. Technician B says that the right-hand rule should be used. Which technician is correct?

 Technician A only Technician B only Both Technicians A and B Neither Technician A nor B

## Technician A says that a relay is an electromagnetic switch. Technician B says that a solenoid uses a movable core. Which technician is correct?

 Technician A only Technician B only Both Technicians A and B Neither Technician A nor B

Two technicians are discussing electromagnetic induction. Technician A says that the induced voltage can be increased if the speed is increased between the conductor and the magnetic lines of force. Technician B says that the induced voltage can be increased by increasing the strength of the magnetic field. Which technician is correct?

 Technician A only Technician B only Both Technicians A and B Neither Technician A nor B

## An ignition coil operates using the principle(s) of ________.

 Electromagnetic induction Self-induction Mutual induction All of the above

## Electromagnetic interference can be reduced by using a ________.

 Resistance Capacitor Coil All of the above

## An ignition coil is an example of a ________.

 Solenoid Step-down transformer Step-up transformer Relay

## Magnetic field strength is measured in ________.

 Ampere-turns Flux Density Coil strength

Two technicians are discussing ignition coils. Technician A says that some ignition coils have the primary and secondary windings electrically connected. Technician B says that some coils have totally separate primary and secondary windings that are not electrically connected. Which technician is correct?

 Technician A only Technician B only Both Technicians A and B Neither Technician A nor B

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