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Various parts on the outer surface of an...

Various parts on the outer surface of an electric cell are labelled as I, II, III, and IV respectively in figure (a). In figure (b), an incomplete circuit is shown. M and N are the free ends of this circuit.

To make the bulb glow, free ends M and N of the circuit should be respectively connected to

A

I and II

B

II and III

C

III and IV

D

IV and I

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