Exam 3: Electrical and Electronic Componentsbasic Electrical Troubleshooting and Service

____ is the electrical pressure that causes electrons to move provided there is a complete path for them to do so.

Which of the following is true of the LED?

Explain an open diode and a shorted diode.

Describe how to test a capacitor.

Identify the three leads that both NPN and PNP have.

Name the figure below and describe how it works.

A(n) ____ is the most common means of providing control of electrical current flow to an accessory.

A ____ is a special type of configuration usually consisting of two transistors fabricated on the same chip or mounted in the same package.

Transistors are made by combining P-type and N-type materials in groups of ____.

A short circuit will result when a current carrying wire is grounded before reaching the load.

An inoperative horn is being tested. A DVOM placed across the relay load contact terminals indicates battery voltage when the horn button is pushed. A "click" is heard from the relay when the button is pushed. Technician A says the relay is bad. Technician B says the relay coil circuit is bad. Who is correct?

Voltage drop can exist on the power side as well as the ground side of an electrical circuit.

Because a semiconductor material can operate as both a conductor and an insulator, it is very useful as a ____ device.

Technician A says a fuse will automatically reset after the cause of the overload is repaired. Technician B says when an overload occurs, the protection device creates an open. Who is correct?

Which of the following is NOT true of forward-bias in a diode?

Technician A says an open circuit has no breaks in the path and current will flow. Technician B says in a closed circuit the circuit path is broken. Who is correct?

Circuit protectors are usually found on the negative side of the circuit.

A(n) ____ is a device that uses low current to control a high-current circuit.

What size fuse should be installed in an electrical circuit?

A potentiometer is a three-wire ____ that acts as a voltage divider to produce a continuously variable output signal proportional to a mechanical position.