DE Semester Final B

Front

You used a tool and it inadvertently became damaged. What should be the next action for you to take? Options: A. Continue to use the tool as long as it still somewhat works. B. Label the tool that is broken and inform the instructor. C. Throw the tool away. D. Put the tool away and find another tool to use.

Back

Label the tool that is broken and inform the instructor.

Front

What is the maximum current level that a human body can withstand before sustaining injury? Options: A. 100 uA, B. 1.0 mA, C. 15 mA, D. 50 mA

Back

15 mA

Front

Why should students take their time when working in an electronics classroom? Options: A. Taking your time allows you to double check your connections and to reduce the need for troubleshooting later. B. Taking your time allows you to create your circuits more neatly. This allows you to pick up where you left off last time more easily. C. Taking your time allows you to double check all part numbers and values. A common error. D. All of the above.

Back

Taking your time allows for double checking connections, creating neat circuits, and verifying part numbers and values.

Front

You notice that the cord of your soldering iron is frayed and possibly broken. What should be done next? Options: A. If the cord works, continue to use the soldering iron. B. Label the broken section and notify the instructor. C. Put the soldering iron back and pick one without a frayed cord. D. Throw the soldering iron away.

Back

Label the broken section and notify the instructor.

Front

How do you make certain a capacitor is discharged before handling? Options: A. Use an ammeter to read current., B. Touch the leads with your finger., C. Ask your instructor., D. Use an ohmmeter to read resistance.

Back

C. Ask your instructor.

Front

What are the color codes for a 470k ohm resistor?

Back

Yellow, Violet, Yellow

Front

Which resistor will prevent the most current flow? Options: 1 ohm, 100 ohms, 1000 ohms, 5K ohms

Back

5K ohms

Front

What does capacitor store?

Back

Charge

Front

What is capacitance on a ceramic disk capacitor printed in?

Back

Picofarads

Front

In most 14-pin TTL IC chips, you connect ground to what pin?

Back

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