The Length of a Certain Wire Is Kept Same While

question 489

Multiple Choice

The length of a certain wire is kept same while its radius is doubled. What is the new resistivity of this wire?

• A) It is increased by a factor of 4.
• B) It is reduced by a factor of 4.
• C) It is increased by a factor of 2.
• D) It is reduced by a factor of 2.
• E) It does not change.

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Definitions:

TCP

Transmission Control Protocol, a fundamental protocol in the Internet protocol suite that enables reliable, ordered, and error-checked delivery of a stream of bytes between applications running on hosts communicating via an IP network.

Three-way Handshake

A method used in a TCP/IP network to establish a connection between a client and a server that involves three steps: the initiation of the connection by the client, the acknowledgment by the server, and the acknowledgment of the acknowledgment by the client.

POP

Post Office Protocol, a standard protocol used by local email clients to retrieve emails from a remote server over an IP network.

Post Office Protocol

An internet standard protocol used by local email clients to retrieve emails from a remote server over a TCP/IP connection.