MCAT Physics Question — Wire Resistance
- Aug 01, 2014
- MCAT Question of the Day
Resistance in a wire depends on:
I. cross-sectional area
II. the material comprising the wire
III. the length of the wire
a) I only
b) I and II only
c) II and III only
d) I, II and III
Resistance in a wire follows the equation R=ρL/A where ρ is a property of the wire material, L is the length of the wire, and A is the cross-sectional area of the wire.
a) I only, incorrect.
b) I and II, incorrect.
c) II and III, incorrect.
d) I, II and III, correct.
Want more MCAT practice?
We’ve got options for every schedule and learning style!
From the best online MCAT course created by top instructors with 524+ MCAT scores to the most representative full-length practice exams and private tutoring, we can custom tailor your MCAT prep to your goals!
Not sure which option is right for you? Schedule a free MCAT consultation with an MCAT expert using the form below. No obligation, just expert advice.
Search the Blog
Free ConsultationSchedule Now
MCAT Blog How to Review MCAT Full-Lengths
Free MCAT Practice AccountNeed great MCAT practice?
Get the most representative MCAT practice possible when you sign up for our free MCAT Account, which includes a half-length diagnostic exam and one of our full-length MCAT practice exams.Learn More