answersLogoWhite

0

All voltage reading are usually read with a volt meter. This volt meter can be a hand held unit like electricians use.

User Avatar

Wiki User

14y ago

What else can I help you with?

Continue Learning about Electrical Engineering

What should a ohm meter read if a circuit is open?

Infinity.


Why does half of my house have electricity and the other half doesn't with no circuit breakers poped?

as an electrician i would first check the main breaker with a rated voltage tester for voltage i would first ckeck the meter side by placing one tester lead on one of incoming phases or wire and place second lead on the other phase or other wire. i should read 240, or 230, or 220 volts depending on where the taps are in the transformer. if not call the power company. if it does read any of them voltages i would then check the load side of the main breaker by putting my leads on one breaker and the one right below it generally every other breaker is a different phase again i should read 240 volts or close. if not the main breaker may be bad. if you know what breaker or circuit its on you could test it by placing one lead on the screw where the wire is and the other on the neutral or ground bar here you should read 120 volts or close if not breaker is bad. it maybe as easy as tightening the screw or screws so shut the breaker off first and then tighten.


Why does 277 volts leg to legs waves do not read 554 volts?

The reason 277v leg to leg does not measure 554 volts is each phase of the system is 120 degrees out of phase with each other and there fore will not read 554v leg to leg but 480v lag to leg. If you take 277 times the square root of 3 it will equal 480. The meters measure Root Mean Square or rms voltages and are designed to take this into their readings.


Why are you getting 123V at your dryer outlet?

You are probably measuring between the one leg of the 240 volts and the neutral or the ground pin connection. Take the measurement from the two outside blade holes on the receptacle. There the reading should be 230 to 240 volts. Between either of the outside blade holes and the neutral or ground you should read around 120 volts.


When an AC 5A and dc Current of 5A applied simultaneously to the circuit then what it happen?

A DC ammeter will read zero

Related Questions

How to measure volts accurately in an electrical circuit?

To measure volts accurately in an electrical circuit, use a digital multimeter set to the voltage range needed. Connect the multimeter probes to the circuit's positive and negative terminals. Read the voltage displayed on the multimeter screen for an accurate measurement.


How to read volts on a multimeter?

To read volts on a multimeter, set the dial to the voltage setting, typically labeled as "V" or "VDC." Connect the red probe to the positive terminal and the black probe to the negative terminal of the circuit or component you want to measure. The display will show the voltage reading in volts.


How do you measure volts accurately in an electrical circuit?

To measure volts accurately in an electrical circuit, you can use a digital multimeter. Set the multimeter to the voltage setting, connect the probes to the circuit's positive and negative terminals, and read the voltage displayed on the multimeter screen. Make sure to select the appropriate voltage range for the circuit you are measuring to ensure accurate results.


How does a multimeter read volts?

A multimeter reads volts by measuring the electrical potential difference between two points in a circuit. It does this by sending a small known current through the circuit and measuring the voltage drop that occurs. The multimeter then displays this voltage drop as the voltage value on its screen.


When you have a linked 48 volt system can you use one of the 12 volt batteries as 12 volts or are they all 48 when linked?

You can pull 12 volts off of any single battery in the circuit. The output from each battery never changes, it's always 12 volts. Those batteries are wired together in SERIES to increase the final output voltage of the entire circuit to 48 volts. To demonstrate this, place a voltmeter across the positive and negative terminal of any battery in the system. It will read 12 volts, regardless of which battery you're measuring across. Now place the voltmeter from the positive terminal on one battery and the negative terminal on a different battery. Depending on how many batteries you're measuring across, it will read 24, 36 or 48 volts. Practical application - connect your 12 volt device from the positive terminal to the negative terminal on a single battery.


How many volts does an apple have?

As this varies for different Apple devices, no single answer can be given. Read the labeling as it will tell the actual voltage.


Why am I only getting 120 volts from a 30 amp breaker that should be feeding 220 volts?

I assume you have a 30 amp two pole 220 volts breaker. Check the voltage source. If the source voltage is 220V, but out let voltage is 120 then the breaker must be faulty, a high resistance or partial open circuit could have caused the reduced voltage at the breaker outlet.


How do you read 277 volts on meter?

To read 277 volts on a meter, simply ensure the meter is set to the appropriate voltage scale (typically AC). Then, connect the meter leads to the circuit or outlet you are measuring. The display should show the voltage reading, which in this case would be 277 volts. Be sure to take appropriate safety precautions when working with electricity.


What is the initial voltage of a general car battery without engine running?

A fully charged car battery will read 12.6 volts, 75% charge will read 12.4 volts, 50% charge will read 12.2 volts, and a 25% charged battery will read 12.0 volts with the engine not running. With the engine running it will read 13.5 to 15.5 volts.


When there is a break on the circuit what is the reading?

The typical answer is current is zero when there is a break in the circuit. It depends on the complexity of the circuit, there may be other paths for the current to flow, such that if there is a break in one part of the circuit, the rest of the circuit still has current flow (but a different value than designed). If you are reading voltage, and there is a break then that will change, also depending on the complexity. If it is a single loop, and you're reading voltage before the break, your voltmeter will read the same voltage as the voltage source, since there is no current flowing between any resistors between the meter and the source. If you're reading voltage after the break then the meter will read zero (0) volts.


How do you check volts on a multimeter?

To check volts on a multimeter, set the dial to the voltage setting, connect the red probe to the positive terminal and the black probe to the negative terminal of the circuit or component you want to measure. Read the voltage displayed on the multimeter screen.


Will a battery still have 12 volts if it is bad?

Yes, a battery with only a 25% charge will read 12 volts. A fully charged battery will read 12.6 volts.