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Transcript 
ELECTRONIC RESISTORS
Resistors determine the flow of current in an electrical circuit. When there is
high resistance the flow of current is small, when the resistance is low the flow
of current is large. Resistance, voltage and current are connected in an
electrical circuit by Ohm’s Law.
Read the passage regarding resistors. Fill in the gaps using correct the words
listed below.
Resistors _____________ the flow of current through a ____________.
Resistance is measured in ____ When resistance is high the flow of current is
_______ . When resistance is low the flow of current is _______. Resistance,
voltage and current are connected in an electrical circuit by ______________.
TYPES OF RESISTOR
A number of resistors are shown below. They include a VARIABLE RESISTOR,
PRESET RESISTOR, FIXED RESISTOR, LIGHT DEPENDENT RESISTOR and a
THERMISTOR. Using the guidelines above each drawing, write the correct name in
BLOCK CAPITALS.
Draw an arrow from each resistor to its symbol. Please note one of the resistors matches
two symbols.
Explain / describe the use of each of resistors listed below:
FIXED RESISTOR:
VARIABLE RESISTOR:
LIGHT DEPENDENT RESISTOR:
THERMISTOR:
PRESET RESISTOR:
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