What is the voltage of a lead battery?

1, Dry battery is divided into carbon or alkali electric. Carbon dry cell open circuit voltage is 1.65 V, and alkaline batteries no-load voltage is 1.63 V. The actual load voltage is above 1.5 V, so it is collectively called 1.5 V battery.

2, our family circuit voltage of 220 V, a section of dry cell voltage of 1.5 V, a section of the battery voltage is 2 V, safe voltage to the human body for no more than 36 V (often ignore students "less than" three word), mobile phone battery voltage of 3.7 V.

General car battery is 12 v, is composed of six single cell battery, so each single cell battery voltage 2 v.(24 v car USES is 2 set of the 12 v battery power supply of the series.)

Judge of a group of 12 V battery is commonly measured voltage, when losing electricity even normal, not less than 9 V battery unsaturated even normal, when the voltage is greater than 10.5 V battery saturated, the voltage should be in more than 12 V.

The single battery voltage is greater than 1.75 V was considered to be normal, once the damage of voltage below 1.5 V is considered.

(1) a section of the dry cell voltage is 1.5 V.(2) 1 day lead battery voltage is 2 v.(3) family lighting voltage of 220 v.(4) the safety voltage of human body is no more than 36 v.So the answer is: 1.5;2;220;No more than 36;

Dry cell voltage is divided into standard voltage, open circuit voltage and working voltage.

Dry cell is a kind of voltaic cell, using some kind of absorber, such as wood chips or gelatin) make inclusions not paste spillover. The power of the commonly is used as a flashlight, lighting, radio, etc. Dry cell technology in China after years of development, its specific energy, cycle life, high and low temperature adaptability problems such as there has been a breakthrough.

Dry cell (Dry cell) is a kind of paste electrolyte to produce direct current (dc) chemical batteries (wet cell is for the use of liquid electrolyte chemical battery), roughly divided into two kinds, a battery and secondary battery is for common use of daily life, as well as the portable battery.it

Homemade in the laboratory to the battery

It can be used in many electrical appliances.

Common dry cell for zinc manganese battery (or zinc carbon batteries, namely dry Leclanche cell).

Dry cell belongs to the chemical power of the battery, is a kind of disposable batteries. Because this kind of chemical power source device the flow of electrolyte is a kind of can't paste, it is called a dry cell, this is relative to a flow of electrolyte battery. Dry cell is not only applicable to the flashlight, transistor radio, tape recorder, camera, electronic clock, toys and so on, and also forspecial, scientific research, telecommunications, navigation,special, medicine, etc. In all areas of the national economy, is very good. Ordinary dry-cell batteries are mostly zinc manganese battery, the middle one is the anode carbon rod, a mixture of graphite and manganese dioxide of outsourcing, the outside is a layer of fibres. Online electrolyte with very thick paste, its composition is the ammonium chloride solution and starch, and small amounts of preservatives. The outermost layer is made of metal zinc skin tube, which is negative, the battery discharge is the ammonium chloride and zinc electrolytic reaction, release the charge by graphite conductive to the anode carbon, zinc electrolysis reaction is will release hydrogen, this gas is may increase the risk of battery internal resistance, and mixed with graphite manganese dioxide is used to absorb hydrogen. But if the work or the battery is too long, manganese dioxide is too late or have had no ability to absorb nearly saturated, the battery will be lost due to internal resistance is too large, the output current is too small. At the moment, if the battery heating, or place a period of time, its internal accumulation of hydrogen will heat release or slow release. Manganese dioxide by reduction to restore, also the battery was alive again!

Chemical equations as follows: zinc mno2 + 2 + 2 + nh4cl = ZnCl2 Mn2O3 nh3 + H2O + 2

Don't anatomical dry cell!!!!!Do not put it in the fire to burn or burn.

Select an appropriate load resistor in parallel in the positive and negative electrode of the battery.

Has some known battery voltage with battery, so according to the capacity of the battery and use, to measure the voltage resistance, look at the battery voltage when load is no-load loss, you can judge the battery power; But premise condition is not exert any load cases, after loading, the battery voltage is due to the internal impedance voltage distortion, and it gradually over time with different rate is reduced, and increased after removal of load. Therefore, if applied load affects the detection results of battery power.[1]

Multi-meter can accurate measurement of dry cell voltage, by measuring the height of the dry cell voltage, to judge the power, dry batteries with alkaline batteries and carbon batteries.

If you measure the voltage, no less than the annotation of dry cell voltage of dry cell battery is enough; Is less than the labeling of dry cell voltage, the more that dry cell losing electricity, the dry cell due to the different types of test results will be affected, but for single section dry cell, as long as the use is ordinary pointer multi-meter, chose the multi-meter, maximum current file (0.5 A - 1 A), negative pens and batteries, are pens and quickly touch on battery anode, watch the clock movement (short circuit current) situation, then know how much is left battery power.

Standard voltage

Also known as the rated voltage, refers to the battery anode materials are the potential difference caused by chemical reaction, the resulting voltage value. The standards of the dry cell voltage is 1.5 V.

Ordinary dry cell internal chemical reaction intensity of the electrolyte can only to play about a battery.5 v voltage level. This voltage is related to chemical ionization tendency, that is related to the cathode and anode materials, zinc and carbon rod in the electrolyte of electric potential is about 1.5 volts.

The open circuit voltage

Referring to the battery in the non-work state no current flows through the circuit, the electric potential difference between the batteries are negative. When battery is full of open circuit voltage is 1.65 ~ 1.725 V

Working voltage

Is also called the terminal voltage, it is to point to the battery in the working state of the circuit of electric current flows through the electric potential difference between the batteries are negative. Work in the battery discharge condition, when the current through the battery inside, to overcome the battery internal resistance of the resistance, so the working voltage is always lower than the open circuit voltage, charging by contrast.

Has some known battery voltage with battery, so according to the capacity of the battery and use, to measure the voltage resistance, look at the battery voltage when load is no-load loss, you can judge the battery power; But premise condition is not exert any load cases, after loading, the battery voltage is due to the internal impedance voltage distortion, and it gradually over time with different rate is reduced, and increased after removal of load. Therefore, if applied load affects the detection results of battery power.[1]

Multi-meter can accurate measurement of dry cell voltage, by measuring the height of the dry cell voltage, to judge the power, dry batteries with alkaline batteries and carbon batteries.

If you measure the voltage, no less than the annotation of dry cell voltage of dry cell battery is enough; Is less than the labeling of dry cell voltage, the more that dry cell losing electricity, the dry cell due to the different types of test results will be affected, but for single section dry cell, as long as the use is ordinary pointer multi-meter, chose the multi-meter, maximum current file (0.5 A - 1 A), negative pens and batteries, are pens and quickly touch on battery anode, watch the clock movement (short circuit current) situation, then know how much is left battery power. Dry cell voltage is one of the important performance index of dry cell performance, which represents the dry cell under a certain condition at the ends of the battery electric potential difference, the unit of volt (V)

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