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| The property of the circuit or substance which opposes or hinders the flow of an electric current |
Resistance |
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noypi69 Wed, 17 Dec 2008 01:52:41 GMT |
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| difference in electrical potential energy between two points in a an electric circuit |
Potential Difference |
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noypi69 Wed, 17 Dec 2008 01:52:41 GMT |
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| The current in a circuit supplied by a battery has a definite direction |
Polarity |
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noypi69 Wed, 17 Dec 2008 01:52:41 GMT |
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| Type of battery used in portable X-ray |
Nickel Cadmium |
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noypi69 Wed, 17 Dec 2008 01:02:48 GMT |
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| Consists of hard rubber or plastic case containing sulfuric acid in which two electrodes are immersed, one lead and the other lead oxide |
Wet Cell |
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noypi69 Wed, 17 Dec 2008 01:02:48 GMT |
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Process of preventing polarization.
Porous cup containing manganese dioxide material placed around the positive electrode |
Depolarization |
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noypi69 Wed, 17 Dec 2008 01:02:48 GMT |
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| Build up of hydrogen bubbles of the copper electrode until the entire electrode surface is surrounded |
Polarization |
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noypi69 Wed, 17 Dec 2008 01:02:48 GMT |
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Solution which chemically acts upon the electrodes which are placed in it.
May consist of salt, acid or alkaline material and is found in liquid or past form |
Electrolyte |
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noypi69 Wed, 17 Dec 2008 01:02:48 GMT |
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| Most basic type of chemical cell |
Voltaic Cell |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| The fundamental unit of a battery |
Cell |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Used to measure electrical resistance |
Ohmmeter |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Used to measure electrical energy |
Watt hour meter |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Electric power consumed in a circuit is equal to the product of the current and the voltage |
Wattmeter |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Used to measure the difference of potential between two points in a circuit |
Voltmeter |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Used to measure the flow of current through a conductor |
Ammeter |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Instrument used to indicate the presence, strength and direction of very small currents in a circuit |
Galvanometer |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Conductor wound in the form of a coil, the magnetic field depends upon the number of turns in the coil, and the amount of current flowing through it |
Magnetic Effect |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| When an electric current flows through a conductor heat is created. The more current that flows through a conductor the more it is heated |
Thermal Effect |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Parts of basic metering device |
Pointer
Case
Scale
Movement |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Circuit in which there are more than one path for the current to flow. the components are branches of the main circuit |
Parallel Circuit |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Circuit which the current has but one path to travel. All component parts are connected end to end |
Series Circuit |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Law that states that the value of the current in a metallic circuit equals the potential difference divided by the resistance |
Ohm's Law |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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Type of Material
Length
Cross sectional area
Temperature |
Factors that affect the resistance of conductors |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Factors that affect electrical current |
Voltage
Current
Resistance |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Part supplied with power |
Load or resistance |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Path which current flows |
Conductor |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Source of Power |
Battery |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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Battery
Conductor
Load or Resistance |
Parts of simple electric current |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| 4 Conditions under which electric current occurs |
Vacuum
Gas
Ionic Solution
Metallic Conductor |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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consisting of the flow of charged particles |
Electric Current |
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noypi69 Wed, 17 Dec 2008 01:43:34 GMT |
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| If the circuit is broken at any point and current can no longer flow through out the circuit |
Open Circuit |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Current flows only when there is a source and the switch is closed |
Closed Circuit |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Moving particles that carry an electric charge |
Current Carriers |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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| Science of electric charges in motion, it is also known as current electricity |
Electrodynamics |
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noypi69 Wed, 17 Dec 2008 01:02:47 GMT |
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