Electrical Questions
Q. The power output of any electrical motor is taken from the :
View SolutionQ. A transformer has maximum efficiency at an iron loss of 400 watts. Its copper loss will be :
View SolutionQ. Which material is the most suitable for the core of a transformer
View SolutionQ. The direction of rotation of a capacitor-start motor can be reversed by :
View SolutionQ. The output of an alternator is in :
View SolutionQ. Three single phase transformers, each with 10 KVA rating connected in delta. If one of the transformer is damaged and taken out , the output of the system will be
View SolutionQ. Which law/rule states that the magnitude of the induced e.m.f. is directly proportional to the rate of change of flux linkage?
View SolutionQ. Which type of resistors are called as thermistors ?
View SolutionQ. A 100 Ah capacity battery should deliver a current of 10 A for approximately
View SolutionQ. A fluorescent tube may burn out if the choke coil is :
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