The Principal Difference Between a Solenoid and a Relay Is

question 2

Multiple Choice

The principal difference between a solenoid and a relay is that:

• A)relays relay electricity, solenoids do not.
• B)solenoids do electrical work, relays do mechanical work.
• C)solenoids do mechanical work, relays do electrical work.
• D)relays use magnets, solenoids do not.

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Definitions:

Systolic Pressure

The pressure in the arteries when the heart beats and fills them with blood, the higher number in a blood pressure reading.

Diastolic Pressure

The lowest pressure within the arteries, occurring between heartbeats when the heart is resting and refilling with blood.

Heart Sounds

Sounds produced by the closing of heart valves and the rushing of blood through the heart, typically heard as a "lub-dub" sound with a stethoscope.

Chamber Walls

Structural boundaries of a space or cavity within an organ, often referring to the heart’s compartments.