Pa(Pascal) is the unit for
Pick out the scalar quantity
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:
Stars appears to move from east to west because
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
Rectifiers are used to convert:
The absorption of ink by blotting paper involves:
Radiocarbon is produced in the atmosphere as a result of
Metals are good conductors of electricity because:
Light from the Sun reaches us in nearly
Planets do not twinkle because
Siphon will fail to work if:
Nuclear sizes are expressed in a unit named
Which of the following terms is not used in the field of physics?