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The composition of electrician solder is
The condition for the maximum efficiency of the transformer is that
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
