In a transformer the resistance between its primary and secondary should be

Related MCQs

• If R2 is the resistance of secondary winding of the transformer and K is the transformation ratio then the equivalent secondary resistance referred to primary will be
• In a transformer the resistance between its primary and secondary is
• In a transformer the energy is conveyed from primary to secondary
• When secondary of a current transformer is open-circuited its iron core will be
• The changes in volume of transformer cooling oil due to variation of atmospheric temperature during day and night is taken care of by which part of transformer
• Which of the following is the main advantage of an auto-transformer over a two winding transformer ?
• The secondary of a current transformer is always short-circuited underoperating conditions because it
• Two D.C. shunt generators, each with armature resistance of 0.02 ohm and field resistance of 50 ohm run in parallel and supply a total current of 1000 amperes to the load circuit. If their e.m.fs. are 270 V and 265 V, their bus bar voltage will be
• When a given transformer is run at its rated voltage but reduced frequency, its
• In a D.C. generator the critical resistance refers to the resistance of