If the Current in a Wire Is Tripled,what Effect Does

question 18

Multiple Choice

If the current in a wire is tripled,what effect does this have on the electron drift velocity in the wire?

• A)It stays the same.
• B)It triples.
• C)It decreases by a factor of three.
• D)It increases by a factor of nine.

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Definitions:

Binomial Theorem

A principle in algebra that describes the algebraic expansion of powers of a binomial.

Expand

To express a mathematical expression in an extended form by removing parentheses or factoring, usually by applying the distributive property.

Binomial Theorem

A formula for expressing the powers of sums, which identifies the expansion of a binomial raised to any positive integer power.

Approximate

To estimate or come close to an actual value, not exact but within a reasonable range.