Electrical Measurements Reduction Errors Potential Transformers Online Exam Quiz
Electrical Measurements Reduction Errors Potential Transformers GK Quiz. Question and Answers related to Electrical Measurements Reduction Errors Potential Transformers. MCQ (Multiple Choice Questions with answers about Electrical Measurements Reduction Errors Potential Transformers
Another method of eliminating the ratio error is _________
Options
A : by reducing secondary turns
B : by increasing the primary turns
C : by increasing secondary turns
D : by reducing the primary turns
Ratio error can be minimised by _________
Options
A : reducing the turns
B : reducing the current
C : increasing the voltage
D : using a good core material
Ratio error in a P.T. depends on _________
Options
A : secondary current
B : primary voltage
C : secondary current
D : turns ratio
How is the voltage ratio dependent on the frequency?
Options
A : they are independent of each other
B : they aid each other
C : they oppose each other
D : depends on the setup of the circuit
High flux density is due to less turns.
Options
A : True
B : False
C :
D :
In a P.T. values of components of currents are negligible.
Options
A : True
B : False
C :
D :
Winding resistance of a P.T. can be reduced by _________
Options
A : using thick conductors
B : decreasing the length of the winding
C : shorting the primary and secondary windings
D : using thin conductors
Leakage reactance is minimised by _________
Options
A : using thin conductors
B : reducing leakage flux
C : increasing flux density
D : shorting the windings
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