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Scroll down to related links and look at "Symbols for a resistor".

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12y ago

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Related Questions

What are devises run by electrical energy represented as resistors in a circuit?

Do not confuse 'resistance' with 'resistor'. 'Resistance' is a quantity, wheras a 'resistor' is a circuit component. In schematic diagrams, the 'rectangular' (European) or 'zig-zag' (US) circuit symbol represents resistance, not a resistor. The circuit symbol, therefore, is used to represent anyresistive device.


The dimmer switch in a lighting circuit controls the brightness of one or more lamps by varying the resistance in the circuit what schematic symbol could be used to represent this device?

Use the standard resistor symbol and then place an arrow across the resistor. The bottom of the arrow midpoint of the resistor and just below, the tip of the arrow (draw with an arrow head) just above the resistor. This represents the wiper of the variable resistor.


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-------------[_________]-------------- and put a line on the top of the box


Why resistor should disconnected from the circuit when measured the value of resistor?

if not disconnected you will measure the resistance of the circuit in parallel with the resistor.


How do you symbolically represent a conecting wire and a resistance?

The symbol for a wire is simply a line between circuit elements. The symbol for a resistor is a squiggly line. The related link goes directly to a picture of the symbol.


A can be used to reduce the current in a circuit?

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What parts of a circuit acts as a resistor?

Any part of a circuit that has a voltage drop across it is a resistor.


What does the variable resistor do in a circuit?

It is used to vary the voltage/current flow in a circuit.


What is a single resistor the represents a complex circuit?

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Does a resistor reduce current or voltage in an electrical circuit?

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