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Circuits
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Essay of 32 pages for the course Umit 15AB at PEARSON (All about circuits)
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Assignment 15AB: CircuitsLearner: Aramide Talabi
Assessor: Nick Walters
Issue Date 06/05/21
Hand in deadline 13/05/21
Circuits
Section 1: Electrical symbols, Units and Definitions
Table 1
Number Component Symbol
1 Cell
[1]
2 Battery
[2]
3 Switch
[3]
1
,Assignment 15AB: Circuits
Learner: Aramide Talabi
Assessor: Nick Walters
4 Filament lamp
[4]
5 Fixed resistor
[5]
6 Thermistor
[6]
7 Light Emitting
Diode (LED)
[7]
2
,Assignment 15AB: Circuits
Learner: Aramide Talabi
Assessor: Nick Walters
8 Light Dependent
Resistor (LDR)
[8]
9 Rheostat
[9]
10 Capacitor
[10]
3
, Assignment 15AB: Circuits
Learner: Aramide Talabi
Assessor: Nick Walters
11 Voltmeter
[4]
12 Ammeter
[4]
Glossary
Table 2: Definitions.
Word Definition
Current (Ampere) [11] ‘Rate of flow of electric charge.’
Potential difference (Volt) [12] ‘Difference in the amount of energy that charge
carriers have between two separate points in a
circuit.’
Electrical charge (Columb) [13] Physical property of matter that experiences a
force when place sin an electromagnetic field.
Resistance (Ohm) [14] ‘A measure of the opposition to current slow in
an electrical circuit.’
Conductance (Siemen) [15] A property of a component that describes how
the electric current in the component relates to
the electrical potential difference across it.
Electrical Power (Watt) [16] ‘The rate at which electrical energy is
transferred by an electric circuit.’
Capacitance (Farad and sub-units) [17] The ability a system has, to collect and store
energy in the form of an electrical charge.
4
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