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unit3 L1-6

unit3 1-6

electric charge a fundamental property that leads to the electromagnetic interactions among particles that would make up matter.
static electricity electric charge at rest , generally produced by friction or induction.
electrical conductor a material in which charges can move freely.
electrical insulator a material in which charges cannot move freely.
semiconductor an element or compound that conducts electric current better than an insulator does but not as well as a conductor does.
electric current the rate at which electric charges pass a given point.
resistance in physical science the opposition presented to the current by a material or device.
voltage the amount of work to move a unit electri
electric circuit a set of electrical compounds connected such that they provide one or more complete paths for the movement of charges.
series circuit a circuit in which the parts are joined one after another such as the current in each part is the same.
parallel circuit a circuit in which the parts are joined in branches such as that the voltage across each part is the same.
magnet any material that attracts iron or materials containing iron.
magnetic force the force of attraction or repulsion generated by moving or spinning electric charges.
magnetic pole one of two points, such as the ends of a magnet , that have opposing magnetic quality.
magnetic field a region where a magnetic force can be detected.
electromagnetism the interaction between electricity and magnetism.
solenoid a coil of wire with an electric current in it.
electromagnet a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil.
electric motor a device that converts electrical energy into mechanical energy.
electromagnetic indution the process of creating a current in a circuit by changing a magnetic field.
transformer a device that increases or decreases the voltage of alternating circuit.
electric generator a device that converts mechanical energy into electrical energy.
electronic device a device that is produces or is powered by a flow of electrons and contains an integrated curcuit.
integrated circuit a circuit whose components are formed on a single semiconductor .
analog signal a signal whose properties can change continuously in a given range.
digital signal a signal that can be represented as a sequence of discrete values.
computer an electronic device that can accept data and instructions and output the result.
Created by: 18yakstism0716