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What else can I help you with?
What are the M L C V terminals of a watt meter?
The M terminal connects to the power supply. The L terminal connects to the load. The C terminal is shorted to the M terminal. The V terminal connects to the systems neutral.
If an inductor measures 75 ohms will it still be good?
Inductors are not categorized in ohms. Inductors are categorized by their inductance measured in henrys. This is a measurement that can be measured by using a special meter. The only thing that the resistance will tell you is that the coil in not open circuited. So there is no real way to know if it is still good.
Why does your digital multimeter read ac and dc on same terminal?
The switching of the circuitry is done internally for the different voltages. This is done when you move the switch on the front of the meter from AC to DC.
What is kilo Var hour meter?
The alternating electric current has two components: one active or effective that moves the fan the refrigerator and lights the house and another one that does not do any useful work, but is necessary to sustain the magnetic fields for the induction devices. Both components load the wiring. The non useful component is called reactive component. The active component is measured by the watt-hour meter and the reactive component is measured by var-hour meters. When the load is high, it might be desirable to measure the reactive component to have an idea of the total load called apparent load. The ratio of the active load and the total or apparent load is called the power factor of the supplied load. The power factor varies between 0 and 1.0. The closer to 1.0, the better used the power is. See Reactive Power Management by R. Barreto in Amazon Kindle version.
A bulb is connected to a battery having a potential difference of 6 V A voltmeter is connected across the bulb What is the reading on the voltmeter when the bulb burns out?
Assuming you're referring to a simple incandescent bulb . . .When the bulb burns out, the filament is open, and it is electrically no longer there.The voltmeter is then across the battery, which is open circuited, i.e. without a load.The meter measures the open-circuit voltage of the battery, nominally 6 V.
Why wattmeter measure the reactive power?
A watt meter will measure active power, not reactive power.
Why VAR meter does not measure real and apparent power?
A VAr meter only measures the reactive (imaginary) power. Apparent power is a combination of real and reactive power; thus having a VAr meter will not suffice to measure apparent power. Likewise, because the VAr meter only measures reactive power, it does not provide any information on real power.
How do you know positive and negative terminals?
Look for a + by the positive terminal and a - by the negative terminal, or red for positive, black for negative. Some batteries have the positive terminal protruding and the negative terminal flat. Or you can get a meter that will tell you which is which,
How do you hook up a dc amp meter?
You disconnect your negative (-) battery terminal and connect one of the meter's probes to the (-) battery cable and the other terminal to the (-) battery post. Set your multimeter to mA/A and select DC.
What is meant by creeping in energy meter?
Hii creep is a phenomenon that can adversely affect accuracy, that occurs when the meter disc rotates continuously with potential applied and the load terminals open circuited. A test for error due to creep is called a creep test.
How to use a volt meter to measure electrical voltage accurately?
To measure electrical voltage accurately using a volt meter, first ensure the meter is set to the appropriate voltage range. Connect the red probe to the positive terminal and the black probe to the negative terminal of the circuit. Read the voltage displayed on the meter and record the measurement.
What is com terminal on a multimeter?
The com is your common terminal also the negative terminal where the black probe is pluged in. normally used on meter with 3 or more connectors and only the red probe change position
Why did they select platinum iridium rod for the measurement of meter?
Because platinum is non reactive metal
Working principle of trivector meter?
trivector meters are used to measure kVAh and also kVA of maximum demand.it has a kwh meter and reactive kvah meter in a case with special summator mounted between them.
Describe how a meter would be connected in a circuit too measure the voltage at a light bulb?
When connecting a volt meter to a light bulb to measure the voltage of the light bulb, run a third wire from where the wire enters the bulb to one terminal of the voltmeter and a fourth wire from the other side of the bulb to the other terminal of the voltmeter.
What is the formula for finding kilometer to meter?
1 kilometre = 1000 metres
What are the M L C V terminals of a watt meter?
The M terminal connects to the power supply. The L terminal connects to the load. The C terminal is shorted to the M terminal. The V terminal connects to the systems neutral.
