4.15.4

Coil of Wire in a Magnetic Field

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Current Carrying Coil of Wire in a Magnetic Field

In a magnetic field, a coil of wire carrying a current (a current-carrying coil of wire) experiences forces that make it rotate about its axis. The size of the turning force acting on the coil can be increased in three ways.

Illustrative background for Number of turns on the coilIllustrative background for Number of turns on the coil ?? "content

Number of turns on the coil

  • Increasing the number of turns on the coil increases the size of the turning force.
Illustrative background for Current through the coil Illustrative background for Current through the coil  ?? "content

Current through the coil

  • Increasing the current through the coil increases the size of the turning force.
Illustrative background for Magnetic field strengthIllustrative background for Magnetic field strength ?? "content

Magnetic field strength

  • Increasing the strength of the magnetic field increases the size of the turning force.

Jump to other topics

1Motion, Forces & Energy

1.1Physical Quantities & Measurement Techniques

1.2Motion

1.3Mass & Weight

1.4Density

1.5Forces: Effects of Forces

1.6Forces: Turning Effects of Forces

1.7Forces: Centre of Gravity

1.8Momentum

1.9Energy, Work, & Power: Energy

1.10Energy, Work & Power: Work

1.11Energy, Work & Power: Energy Resources

1.12Energy, Work & Power: Power

1.13Pressure

2Thermal Physics

3Waves

4Electricity & Magnetism

4.1Simple Phenomena of Magnetism

4.2Electrical Quantities: Electric Charge

4.3Electrical Quantities: Electric Current

4.4Electromotive Force & Potential Difference

4.5Electrical Quantities: Resistance

4.6Electrical Energy & Electrical Power

4.7Electric Circuits: Circuit Diagrams & Components

4.8Electric Circuits: Series & Parallel Circuits

4.9Electric Circuits: Action & Use

4.10Electrical Safety

4.11Electromagnetic Effects: Electromagnetic Induction

4.12Electromagnetic Effects: The A.C. Generator

4.13Magnetic Effect of a Current

4.14Force on a Current-Carrying Conductor

4.15Electromagnetic Effects: The D.C. Motor

4.16Electromagnetic Effects: The Transformer

5Nuclear Physics

6Space Physics

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