If a Neutral Metal Object Has Been Charged by Friction

question 75

Multiple Choice

If a neutral metal object has been charged by friction to a charge of one pC, what has happened to it electrically?

• A) 6.25 × 10⁶ electrons have been added to it
• B) 6.25 × 10⁶ protons have been added to it
• C) 6.25 × 10⁶ electrons have been removed from it
• D) 6.25 × 10⁶ protons have been removed from it
• E) 6.25 × 10⁶ electrons and protons have been added to it

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Definitions:

Hearsay Rule

A legal principle that excludes the use of secondhand testimony in court because it is not made under oath or subject to cross-examination.

Spousal Privilege

A legal right that protects spouses from being forced to testify against each other in court.

Present Sense Impression

A legal term referring to an exception to the hearsay rule, allowing a statement describing or explaining an event or condition made while the declarant was perceiving the event or condition, or immediately thereafter, to be admissible as evidence.

Excited Utterance

A statement made spontaneously and without reflection in the excitement of the moment, considered an exception to the hearsay rule in legal proceedings.