Quiz sheet for factors affecting resistance

>As the temperature of a copper conductor increases, its resistance

A) decreases

B) remains unchanged

C) reaches a maximum

D) increases

ANSWER: D

The resistance of a metallic conductor is governed by its length, cross-sectional area, temperature and the:

A) type of material used.

B) type of material used.

C) voltage applied to it.

D) heat dissipation.

ANSWER: A

If the cross sectional area of a conductor is doubled, the conductor resistance is:

A) doubled

B) halved

C) stays the same.

D) increases by a factor of four

ANSWER: B

Adding acid to water will cause it's resistance to:

A) decrease

B) increase

C) stay the same

D) water has no resistance

ANSWER: A

If the length of a conductor is doubled, the conductor resistance is:

A) doubled

B) halved

C) stays the same

D) increases by a factor of four

ANSWER: A


Last modified: Tuesday, 1 June 2021, 10:44 AM