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What else can I help you with?
What instrument is used for polarity?
a ruler
Does galvanometer have polarity?
No, a galvanometer does not have polarity. It is a device used to detect and measure small electric currents. The deflection of the needle in a galvanometer indicates the presence and direction of the current but not the polarity.
Do potentiometers have polarity?
no there is no consideration of positive or negative legs in case of resistor.
What are the two polarities used with direct current welding?
reverse polarity and straight polarity The answer is right but a bit of furthur explanation is required. Polarity can be changed in DC output welding sets. The heat of the welding arc is concentrated on the positive terminal. So when thick plates are welded as more concentration of heat is required on the job the job is kept +ve ie. straight polarity is used. For thin plates concentration of heat is on the filler rod ,so reverse polarity is used.
Why is polarity test done?
On the CT there will be a white dot that represents a polarity mark. This is used to connect to the correct polarity terminal on the device that the CT is connected to. Additional CT transformers must be connected to the recording or monitoring device using the same polarity as the first CT.
What polarity is used with steel electrode chromium or chromium-nickel steel electrode with the number E310-16?
The E310-16 electrode, which is a chromium-nickel steel electrode, is typically used with direct current (DC) polarity. Specifically, it is commonly used with DC reverse polarity (DCEN), where the workpiece is connected to the positive terminal. This polarity helps improve penetration and stability during the welding process.
A dc voltmeter may be used directly to measure?
Polarity
What are two examples of polarity?
-- negative polarity -- positive polarity
What are the used of multimeter?
to check voltage, current , polarity of of material,etc
What is polarity protection in trunk circuit in telephone?
A bridge rectifier circuit used to convert A.C to D.C. and can also be used as a polarity protection circuit. Because irrespective of which of the input terminals is given +ve voltage , the output voltage is +ve at only one output terminal. hence polarity protected.
What electrical measuring instrument is used to measure polarity index test?
A low resistance ohmmeter is used
What problems are there with reverse polarity?
Reversing polarity ,changes the rotation of the device you are changing polarity on.
