JAMB Physics 2020 Objective — Question 37

Question 37 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2020 Objective paper, with the correct answer and a full explanation.

37. The resistance of a wire depends on

A. A. the length of the wire
B. B. the diameter of the wire
C. C. the resistivity of the wire
D. D. all of the aboveCorrect

Explanation

Resistance R=ρl/A, so it depends on the resistivity (ρ), length (l), and area/diameter (A) of the wire.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Physics 2020 Objective More Physics past papers