Automotive Introduction to Electrical

Gilbert is trying to calculate the resistance in a circuit. How should he do it?

• R=R/V

• R=IxV

• R= I/V

• R=V/I

During a science fair, Shane and Mackenzie were discussing the symbol for an electronic device. Shane pointed to the drawing below and asked Mackenzie to identify the device. Mackenzie replied that it is a(n) ____.

• Zenor Diode

• NPP Transistor

• Rectifier

• PNP Transistor

Talal is setting up a new home theater system and needs to measure the resistance of the speaker wires. The resistance of a circuit is measured in ____.

• Ohms

• Volts

• Amps

• Milliamps

During a physics lab, Mackenzie and Shane are asked to measure voltage changes over time. Which of the following tools should they use?

• Luminosity Meter

• Multimeter

• Oscilloscope

• Load Tester

Gilbert and Mackenzie are working on a science project involving electrical circuits. Which of the following is not a possible cause of an open circuit?

• A Closed Switch

• A broken Wire in the power circuit

• A blown Fusible link

• A Loose Connection

The current in an automotive taillight circuit needs to be checked. Natnael connects a conventional voltmeter in series with the circuit being tested. Mackenzie connects a conventional ammeter in parallel with the circuit being tested. Who is right?

• Natnael

• Mackenzie

• Both

• Neither

When Talal and Mackenzie are testing a switch in their electronics class, which testing device would they use if the switch is removed or isolated from the circuit?

• A Voltmeter

• A Ohmmeter

• An Ammeter

• A Jumper Wire

Talal is working on an automotive electrical repair project. The Solder he should use is

• Acid Flux

• Rosin-Core

• Copper Flux

• Lead Free

Gilbert and Mackenzie are setting up a circuit in their physics lab. When using an ammeter, it is important to set it up in what configuration to avoid damage to the fuse?

• In Series

• In Parallel

• It doesn't matter

• One on power one on the component

During a car maintenance class, Mackenzie asked, 'Air Bag wires are always color coded as which color?'

• Red

• Blue

• Orange

• Yellow