Name the instrument used for increasing and decreasing voltage ?
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Voltage converter or transformer is used change the voltage
ajayaj:
potentiometer can also be used as voltage regulator
It is voltage divider
using potentiometer we can vary resistance of circuit and that is indirect way to control voltage
no
yes it is like variable resistor
yes
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transformer used for control the voltage and voltmeter used for measuring it ##
transformer is used to change AC to DC, or use to pump up or drop the existing voltage
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