Copper losses are negligible in comparison to iron losses
Copper losses are equal to iron losses
Copper losses are half of the iron losses
Iron losses are zero
The conversion of sulphur dioxide into sulphur trioxide in the contact process is a/an
The cooling by a desert Cooler is based on:
The copper losses in a transformer at half load compared to those at full load will be
The core of an electromagnet is made of soft iron because soft iron has
The core of gravity of a sprinter during the race lies
The correct statement is
The cover of a solar cooker is made of glass because
The critical angle for a transport solid is 30°. Then its refractive index is
The critical angle of a glass slab increases with
The density of a gas is maximum at