# Electronics - Resistance and Power

### Exercise :: Resistance and Power - General Questions

51.

If a metallic conductor has a positive temperature coefficient of resistance, then:

 A. as temperature increases, resistance decreases B. as current increases, resistance decreases C. as voltage increases, current increases D. as temperature increases, resistance increases

Explanation:

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52.

What value of a 1.3 k resistor as measured by a digital voltmeter would be considered within tolerance?

 A. 1234 B. 1235 C. 1366 D. 1367 Explanation:

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53.

If a calculator display was "0.00263," what would this answer be in percent?

 A. 0.026% B. 0.26% C. 2.63% D. 26.3%

Explanation:

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54.

A 33 k resistor with a 20% tolerance checks out as ok with which of the following ohmmeter readings?

 A. 26400 ohms B. 24183 ohms C. 6600 ohms D. 39970 ohms

Explanation:

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55.

For P = V2/R, a decrease in resistance should produce:

 A. a decrease in power B. an increase in ohms C. an increase in power D. a decrease in current