Examlex
The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:
The combustion of 28.8 g of ammonia consumes g of oxygen.
Control Coil
An electromagnetic coil used in electrical circuits to magnetically control the operation of devices like relays or contactors.
Magnetic Forces
The attraction or repulsion that arises between electrically charged particles due to their motion, which is the basis for the operation of electrical motors and devices.
Armature
The rotating part of an electrical machine such as a motor or generator, on which the coils are wound and voltage is induced.
Core
The central part of an electromagnetic coil or transformer, made of magnetic material, that intensifies its magnetic field.
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