A Conductor of Radius R, Length and Resistivity ρ

question 12

Multiple Choice

A conductor of radius r, length and resistivity ρ has resistance R. It is melted down and formed into a new conductor, also cylindrical, with one fourth the length of the original conductor. The resistance of the new conductor is

• A) R.
• B) R.
• C)R.
• D)4R.
• E)16R.

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Definitions:

Privity of Contract

The principle that a contract confers rights and imposes liabilities only on its parties; no outsider can gain rights or be liable under it.

Novation

The process of replacing an existing obligation with a new one, substituting a party or terms in a contract with the consent of all parties involved.

Rules of Interpretation

Guidelines and principles used to determine the meaning and intention of legal texts and statutory provisions.

Doctrine of Privity

A principle in contract law stating that contracts are binding only upon the parties signing the contract and no third party can enforce or be bound by the contract.