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Electronics (Meters (Ammeters:is a measuring instrument used to measure…
Electronics
Meters
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Voltmeter:A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit
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Multimeter:A multimeter or a multitester, also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that combines several measurement functions in one unit:
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Switches
Types Of Switches
:Switches with 2 contacts is a single-pole,single-throw switch(SPST)
Can either be opened or closed,can be used to switch on or off the power supply in a circuit
A switch with 3 contacts is a single-pole,double throw switch(SPDT)
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Circuit types
Series circuit: Any point in the circuit is the same,If one bulb is burn out the whole circuit would cease to function
Parallel Circuit:Current can be different from each point,if one bulb burn out other bulb would still continue to work,current will still flow when switches are closed
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Components
Output components
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Monitor,Printer,GPS,Projector and headphones
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Resistors
Voltage=C x R
When resistor are joined in series the total resistnace is worked out by adding the individual resistance
When resistor are joined in series the total resistance is worked out by adding the reciporcal of each individual value
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