If a sinusoidal exciting current is applied to a transformer, the mutu – McqOptions

MCQOPTIONS

1.	If a sinusoidal exciting current is applied to a transformer, the mutual flux produced is
A.	Sinusoidal
B.	Negative
C.	Flat top
D.	Zero
Answer» D. Zero

Discussion

No Comment Found

Related MCQs

Magnetizing impedance of a transformer is determined by
In a transformer, the exciting current will be in phase quadrature with the impressed voltage provided
The open circuit All-day efficiency of a transformer is
If a sinusoidal exciting current is applied to a transformer, the mutual flux produced is
The full-load efficiency of a transformer at 0.85 p.f. lag is 97 per cent. Its efficiency at full load 0.85 bpower factor lead will be
What is the turns ratio of the transformer needed to match a 1 k source resistance to a 160 load?
A transformer is plugged into a 120 V rms source and has a primary current of 300 mA rms. The secondary is providing 18 V across a 10 load. What is the efficiency of the transformer?
A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is
When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is
When a 200 load resistor is connected across the secondary winding of a transformer with a turns ratio of 4, the source "sees" a reflective load of