The Circuit Shown Was Wired for the Purpose of Measuring

question 31

Multiple Choice

The circuit shown was wired for the purpose of measuring the resistance of the lamp L. Inspection shows that:

• A) voltmeter V and rheostat R should be interchanged
• B) the circuit is satisfactory
• C) the ammeter A should be in parallel with R, not L
• D) the meters, V and A, should be interchanged
• E) L and V should be interchanged

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Definitions:

Physical Dependence

A physiological state of adaptation to a substance, characterized by the emergence of withdrawal symptoms when the substance is discontinued.

Withdrawal

The group of symptoms that occur upon the abrupt discontinuation or decrease in intake of medications or recreational drugs.

Depressant

A class of drugs that reduce the functioning of the nervous system and lead to decreased arousal or stimulation.

Stimulant

A substance that raises levels of physiological or nervous activity in the body, often leading to increased alertness or energy.