How to hard reset samsung galaxy mobile phones

Hard reset means to reset your phone to the settings and features which were accompanied from the company or at firmware update instant. Samsung Galaxy, whether Spica or i7500, is very easy to reset! Firstly just power off the mobile phone, restart it by holding volume down + call + end call. Then it...

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Zener Diode

It is a reverse bias heavily doped P-N junction diode which is made from Silicon and Germanium semiconductor mainly. It is operated in the breakdown region where current is limited by both external resistance and power dissipation of the diode. Zener diode made from Silicon is prefer to Germanium because...

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Light Emitting Diode(LED)

Light Emitting Diode (LED) is a forward biased PN junctions which emits visible lights when energized. It emits low light when reverse biased and if operated in the reverse direction, the LED will be quickly destroyed. The construction of a light emitting diode is very different from that of a normal...

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PN Junction Diode

A PN junction diode is formed by combining a P type semiconductor with N type semiconductor. It has the property of offering a low resistance to current flow in one direction and is the main components used in rectifying circuits. PN junction diodes are mainly manufactured using Germanium or Silicon...

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Facebook photo sawn kual dan

Facebook a kan thlalak upload te hi Album ah emaw, mahni duhna hmunah a move kual ve zel theih thin a. A tihdan i la hrelo anih chuan hetiang hian ti ve rawh le.I profile ah lut hmasa phawt la, chuan photos tih kha i select dawn nia.A hnuaia mi ang hi a lo lang anga. I thlalak dahsawn duh awmna album...

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Generator V/S Inverter

GENERATORGenerator generates a lot of noise during its operation.Normally, generators do not have automatic start/stop function. When the mains AC fails, one has to manually start the generator and when the mains return, one need to manually shut down the generator and switch the power supply back from...

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Properties of the sound waves

Post hmasa lamah sound chungchang kan sawi tawh a. We shall now take a look at some of the properties of the sound waves. FrequencyFrequency of a sound wave is the number of vibrations done by the sound wave in one second. The frequency is represented by cycles per second (C/S) or by Hertz. If the number...

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