All AP Physics 2 Resources
Example Questions
Example Question #1 : Solenoids
Suppose a long solenoid has a current increase from zero to in . The induced EMF magnitude is . Find the inductance.
Possible Answers:
Correct answer:
Explanation:
Write the formula for inductance and substitute the givens. The length of the solenoid has no effect in this problem.
Example Question #1 : Solenoids
A transformer is plugged into a household outlet that supplies of current. The transformer steps up the potential to having a secondary coil with turns. How many turns does the primary coil have?
Possible Answers:
turns
turns
turns
turns
Correct answer:
turns
Explanation:
The relationship between the number of turns for the primary coil and secondary coil in a transformer ( and respectively) to the relative potentials is
Solving for ,
All AP Physics 2 Resources
Popular Subjects
SAT Tutors in San Diego, English Tutors in Chicago, Statistics Tutors in Houston, GMAT Tutors in San Francisco-Bay Area, GMAT Tutors in Los Angeles, GMAT Tutors in New York City, Computer Science Tutors in San Francisco-Bay Area, Calculus Tutors in Atlanta, SAT Tutors in Seattle, MCAT Tutors in San Diego
Popular Courses & Classes
ACT Courses & Classes in New York City, GRE Courses & Classes in Dallas Fort Worth, Spanish Courses & Classes in San Diego, GMAT Courses & Classes in Atlanta, LSAT Courses & Classes in Phoenix, MCAT Courses & Classes in Boston, GMAT Courses & Classes in New York City, GMAT Courses & Classes in Seattle, SSAT Courses & Classes in Dallas Fort Worth, Spanish Courses & Classes in Phoenix
Popular Test Prep
GRE Test Prep in Dallas Fort Worth, MCAT Test Prep in Houston, ACT Test Prep in New York City, MCAT Test Prep in Atlanta, SAT Test Prep in Phoenix, ACT Test Prep in Denver, SSAT Test Prep in Washington DC, SSAT Test Prep in Denver, MCAT Test Prep in Philadelphia, ISEE Test Prep in Miami