# Lecture Notes for PHYS 1120 - GENERAL PHYSICS 2 at Colorado (CU)

## Notes Information

 Material Type: Class Note Professor: Staff Class: PHYS 1120 - GENERAL PHYSICS 2 Subject: Physics University: University of Colorado - Boulder Term: -- Keywords: ImmediatelyArrangementMagnetic EnergyTransformerIn the EveningEngineeringNatural Science

## Sample Document Text

Which arrangement of two coils has the larger mutual inductance? BA C) They are equal 32.1 c o il 2 c o il 1 32.2 A large-diameter two-turn coil (coil 2) is wrapped around a long smaller-diameter solenoid (coil 1) as shown. Which is larger M12 or M21 ? 2 112 IM ?? 1 221 IM ?? A) M12 B) M21 C) M12 = M21 c o il 2 c o il 1 32.2b Now the number of turns in coil 2 is doubled. What happens to M = ?2/I1? A: M is half B: M remains constant. C: M doubles D: M quadruples E: None of these Electric toothbrush CT 33.21 Inductor 1 consists of a single loop of wire. Inductor 2 is identical to 1 except it has two loops on top of each other. What is the B field at the center of coil 2, B2, compared to the field in the center of coil 1? A: B2 = B1 B: B2 = 2 B1 C: B2 = 4 B1 D: B2 = B1/2 C o i l 1 C o i l 2 I I CT 33.22 Inductor 1 consists of a single loop of wire. Inductor 2 is identical to 1 except it has two loops on top of each other. How do ...

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