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