Unit-2, M-3 , Lesson-2 Electric forces

   A device used to measure electric current.

• voltmeter
• ohmmeter
• ammeter
• capacitor

  A sensitive instrument for detecting and measuring small electric currents.

• Ammeter
• Voltmeter
• Galvanometer
• Oscilloscope

The area around a magnet where magnetic forces are present.

• Magnetic charge
• Electromagnetic wave
• Magnetic pole
• Magnetic field

A complete path for electric current to flow.

• Wire
• Electric Circuit

• Battery
• Resistor

    Particles carrying an electric charge, such as electrons or protons.

• Neutral particles, such as neutrons.
• Particles with no mass, like photons.
• Uncharged ions, such as sodium.
• Charged particles

A method of charging an object without touching it.

• Induction

• Thermal conduction
• Magnetic resonance
• Static electricity

    A device that converts mechanical energy to electrical energy.

• Generator
• Transformer
• Battery
• Motor

    Force associated with electric and magnetic fields.

• Magnetic field force
• Electromagnetic force

• Gravitational force
• Coulomb force

    The ability of a material to allow the flow of electric current.

• Capacitance
• Insulation
• Conductivity
• Resistance

    The opposition to the flow of electric current in a conductor.

• Capacitance
• Inductance
• Resistance
• Voltage