World Environment Day (WED) is celebrated every year on 5 June to raise global awareness to take positive environmental action to protect nature and the planet Earth. It is run by the United Nations Environment Programme (UNEP)
Transformer is a kind of appliance that can
1. increase power
2. increase voltage
3. decrease voltage
4. measure current and voltage
Select the correct answer using the codes given below
Meghnad Saha was an Indian astrophysicist best known for his development of the Saha equation, used to describe chemical and physical conditions in stars