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Using DC the problem can be electrolytic action in the material being tested that causes the reading to change with time. AC prevents that happening.
Wiki User
∙ 10y ago
Wiki User
∙ 13y agoTo depolarize the plates
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What is use of rectifier?
Rectifier is used to convert alternating current to direct current.
What type of transformer connection can be used when it is necessary to rectify alternating current into direct current with a minimum of ripple?
bride transformer
What is the differences between direct circuit and alternating circuit?
The main difference between direct current (DC) and alternating current (AC) is the direction of the electrical flow. In a direct current circuit, the flow of electrons is in one direction, from the negative terminal to the positive terminal. In an alternating current circuit, the flow of electrons changes direction periodically, typically at a fixed frequency, resulting in an oscillating current flow. AC is widely used for electrical power distribution, while DC is commonly used in batteries, electronic devices, and certain applications like electric vehicles.
What type of device is used to increase or decrease the voltage of an electric current-?
In an alternating current circuit the voltage can be stepped up ordown efficiently with a transformer.
Why you used Alternating current in gas tungsten arc welding?
A couple primary reasons. 1 the current reversing itself helps to break up oxides on the surface of the metal. 2 Alternating current produces more heat in the arc which is useful in welding aluminum because heat dissipation is rapid in this metal.
Is your house alternating or direct current?
Alternating current. Direct current is used in batteries.
What best describes a direct current?
The current produced by batteries is direct current. Electronic devices need direct current; in this case, they need a power supply (often built into the electronic device itself), that converts the alternating current, from the electric outlet, to direct current.
Which type of current is used with toaster?
Alternating
Which device is used to convert direct current into alternating current?
An inverter
What type of electric current is used in household?
Alternating electrical current is usually used in household.
Which current is used in houses?
Alternating current (AC) in almost all cases.
What type of current is used to supply power to HVAC equipment?
Alternating current
What type of electrical current is used for three phase 408V?
Alternating current.
What is use of rectifier?
Rectifier is used to convert alternating current to direct current.
Which is a circuit used to change alternating current to direct current?
Insufficient information given.
What is a device used to change voltage of an alternating current?
A transformer.
What type of current is commonly most used in the home?
Alternating.
