Carbon Has a Negative Temperature Coefficient of Resistance of -0

question 31

Multiple Choice

Carbon has a negative temperature coefficient of resistance of -0.5 *10^-3 (°C) ^{- 1}. What temperature increase would result in a resistance decrease of 3% for a carbon resistor?

• A) 60°C
• B) 100°C
• C) 20°C
• D) 40°C

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Definitions:

Contra-Asset

A contra-asset account is an asset account where the balance of the account is either zero or a credit balance, used to reduce the value of the related asset, such as accumulated depreciation for fixed assets.

Accumulated Depreciation

The total amount of a company's asset that has been expensed for depreciation to date.

Accrued Expense

An expense that has been incurred but has not yet been paid or recorded in financial statements through standard accounting entries.

Liabilities

Financial obligations or debts owed by a business to external organizations or individuals.