Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When current passes through the filament it heats it up. When the filament reaches a certain temperature it starts to give off light, that's how we get a light bulb. The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo).
Where is the capital of Switzerland?
‘Rand’ is the currency of which of the following countries?
The currency of Brazil is:
What is the currency of South Korea?
The currency of North Korea is:
Which of the following is the currency of Armenia?
_________ is the capital of Somalia.
Which of the following is the capital of Mauritius?
What is the currency of the United Kingdom.
The currency of Japan is ____ .
