Vernier Software and Technology
Vernier Software & Technology

Faraday’s Law: Alternating Current

Introduction

The focus of the previous experiment is the induced emf in a coil produced by a magnet moving through the coil. In this experiment, you will examine the relationship between an alternating current in a primary coil and the induced emf in a secondary.

Objectives

In this experiment, you will

  • Collect current vs. time and potential vs. time data for a pair of solenoids.
  • Explain how the magnetic flux through the secondary solenoid depends on the current in the primary.
  • Relate the shape of the graph of potential vs. time in the secondary to that of current vs. time in the primary.
  • Calculate the induced emf produced by alternating current in the primary and compare this to experimental findings.

Sensors and Equipment

This experiment features the following Vernier sensors and equipment.

Additional Requirements

You may also need an interface and software for data collection. What do I need for data collection?

Advanced Physics with Vernier — Beyond Mechanics

See other experiments from the lab book.

1Behavior of a Gas
2Heat Engines
3Standing Waves on a String
4Standing Waves in a Column of Air
5Doppler Effect
6Electrostatics
7Coulomb's Law
8Mapping Electric Potential
9Factors Affecting Electrical Resistance
10Series and Parallel Circuits
11Faraday’s Law: Moving Magnet
12Faraday’s Law: Alternating Current
13Capacitors and Inductors
14RLC Circuits
15Curved Mirrors and Images
16Thin Lenses and Real Images
17Thin Lenses and Virtual Images
18Aperture and Depth of Field
19Interference
20Diffraction
21Spectrum of Atomic Hydrogen
22Planck’s Constant

Experiment 12 from Advanced Physics with Vernier — Beyond Mechanics Lab Book

<i>Advanced Physics with Vernier — Beyond Mechanics</i> book cover

Included in the Lab Book

Vernier lab books include word-processing files of the student instructions, essential teacher information, suggested answers, sample data and graphs, and more.

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