The Element Found in Some Sediments Which Suggest That a Meteorite

question 71

Multiple Choice

The element found in some sediments which suggest that a meteorite or asteroid impact occurred nearby is:

• A) iridium.
• B) manganese.
• C) strontium.
• D) uranium.
• E) yttrium.

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Definitions:

Optical Isolator Circuit

A component that uses light to transfer an electrical signal between two isolated circuits, preventing high voltages from affecting the system receiving the signal.

Line Voltage Transients

Short-duration surges, spikes, or dips in electrical power supply voltage, which can damage equipment or affect performance.

Electrical Noise

Extraneous interference mixed with a valuable signal, which masks the information it carries.

Discrete Relay

An electromechanical switch used within electronic circuits to control a circuit by a low-power signal or multiple circuits by a single signal.