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Electricity and Magnetism With Answers
Voltage - ANSWER The push or pressure of the electricity Current - ANSWER The flow of electrical charge (electrons) around a completecircuit, symbol I
Electrical Cell - ANSWER An electron pump Ammeter - ANSWER A device for measuring current Amps - ANSWER Unit of measurement of current, symbol A Battery - ANSWER Two or more electrical cells joined together Circuit diagram - ANSWER A way of showing which components there are in acircuit and how they are connected,and nothing else
Electric charge - ANSWER A property of a material that can be positive or negative Electron - ANSWER A negatively charged particle found in atoms that flow througha wire when a current flows.
Parallel circuit - ANSWER A circuit in which there are two or more paths orbranches for the current to follow
Resistance - ANSWER A measure of the difficulty that a power source has to pushelectrons around a circuit, symbol R
Series circuit - ANSWER A circuit with only one loop/route for the electricity tofollow
Voltmeter - ANSWER A device for measuring voltage Volts - ANSWER Unit of measurement for voltage, symbol V Magnetic field - ANSWER A region where there is a force on a magnet or magneticmaterial
Magnetic field lines - ANSWER Imaginary lines that show the direction of the forceon a magnetic material
Magnetic pole - ANSWER An area or end of a magnet which can be described asNorth or South
Core - ANSWER The centre of an electromagnet
