Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
A wire of cross-sectional area 2π * 10−8 m2 and resistivity 1.1 x 10−8 Ω m, has a resistance of 21Ω.
Calculate the length of the wire. [π=22/7]
180 m
140 m
120 m
240 m
Correct answer is C
No explanation has been provided for this answer.
