An electrical device has 50 turns in its primary coil&nbs...
An electrical device has 50 turns in its primary coil and 20 turns in the secondary coil. The device can be a\an?
step-up transformer
step-down transformer
d.c generator
a.c generator
Correct answer is B
In a step down transformer, there are more turns in the primary coil than in the secondary coil and more current flows in the secondary circuit than in the primary.
Which of the following is/are the limitations to the Rutherford's atomic models? I. It is appli...
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The diagram above illustrates a mode of vibration of a wire of length 125 cm. The speed of the ...