The transformer produces AC at the required voltage, and then one, two or four diodes are connected to it to produce pulsating DC, which is then smoothed to DC by a series inductor, or, in low-power supplies, by a parallel reservoir capacitor. A single diode is called a half wave rectifier because it passes the positive half of the wave and suppresses the negative. Two diodes in conjunction with a centre-tap on the secondary make a full wave rectifier, while four diodes can be connected as a bridge rectifier, which is also full-wave and does not need a centre-tap.
The usage of transformer is to produce electricity from a main electric unit
Thanks for your contribution and thoughts but you CAN use a 4.2 volt charger for a 3 volt battery.JyotNo. You should not use a 4.2V charger for a 3V battery. The charger is specifically designed for the battery. Attempting to use a non rated configuration, unless the charger states clearly on its label that it can handle the 4.2V battery, could result in overcharge, overheat, even fire.Even attempting to place a resistor or zener diode in series with the battery is not a good idea, because some chargers use the voltage/time curve to sense when the battery is fully charged, and this will bias the results.
By using step-down transformer
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No chargers usually produce about 1.5 volts above the battery to be charged. By connecting a 12 volt charger to an eight volt battery it will boil the electrolyte in the battery.
It depends on how many mah your charger can produce
Yes, a standard battery charger produces 13.8 volts when it is charging a battery. If you are thinking of using a charger that you plug into the wall that is used for electronic equipment, don't. The battery usually wants more amperage that they can produce and the device usually will burn out.
Need to know what the maximum output in amps or mA the battery charger can produce.
The transformer produces AC at the required voltage, and then one, two or four diodes are connected to it to produce pulsating DC, which is then smoothed to DC by a series inductor, or, in low-power supplies, by a parallel reservoir capacitor. A single diode is called a half wave rectifier because it passes the positive half of the wave and suppresses the negative. Two diodes in conjunction with a centre-tap on the secondary make a full wave rectifier, while four diodes can be connected as a bridge rectifier, which is also full-wave and does not need a centre-tap.
Due to the chemical compositions of batteries (most batteries contain a form of acid which reacts to create electricity) neither the battery charger nor the battery is likely to produce CO (Carbon Monoxide)
A "Dynamo" is a DC charger; these will overcharge any battery there is and requires a regulator circuit, they will produce voltage proportional to their rotation. Simply hook it to the battery (watch your positive and negative) and crank the generator / dynamo.
Yes, a 800mA charger can be used in place of a 350 mA charger. The number represents the maximum amount of current that the charger is designed to produce. The main thing to look for is that the output voltages are the same rating in both chargers.
The charger needs to be set to charge for the voltage that the battery is designed to produce. Most car batteries are 12 volt batteries.
The usage of transformer is to produce electricity from a main electric unit
No, a transformer does not change AC to DC. For this purpose there is a device known as a rectifier, and to transform it back to AC from DC you'll need an inverter. Transformers are only useful with AC due to the alternating waveform which induces a voltage in the secondary winding (when it is connected to a load).
Transformer function is either to step-up or down the voltage. There is nothing like an ordinary transformer.