Lecture - 2 Electronic Devices 1
resistors
can be used to control voltage and current in circuit
there are some types of resistors
(1) fixed resistors it has constant amount of resistance
* carbon resistors
* wire wire wound resistors
*ceramic resistors
the law to calculate resistive of resistors
the figure of resistors
( 2 ) variable resistors
we can adjust the amount of resistance
there are many types of it like
* lap type wire wound
* bench built
* centre tap resistors
* rheostat
* potentiometer
OHMs law
the current passes through resistance equal voltage drops around resistance by resistance
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