Which of the Following May Cause a Control to Fail

question 7

Multiple Choice

Which of the following may cause a control to fail to produce expected results?

• A) Outdated testing reagents
• B) Error in technique
• C) Improper storage of testing components
• D) All of the above

---

Definitions:

Power Supply

A device or system that provides the necessary electrical power to operate or charge devices.

Ohms

The standard unit of electrical resistance in the International System of Units (SI), symbolizing the resistance between two points of a conductor.

Amps

A unit of electric current in the International System of Units (SI), short for amperes.

Volts

Volts are the unit of electric potential and electric potential difference in the International System of Units (SI), indicating the force that drives electric current between two points.