Consider the circuit below. The bulb will light up of :
(A) S1 S2 and S3 are all closed.
(B) S1 is closed but S2 and S3 are open.
(C) S2 and S3 are closed but S1 is open.
(D) S1 and S3 are closed but S2 is open.
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Consider the circuit below. The bulb will light up of :
(A) S1 S2 and S3 are all closed.
(B) S1 is closed but S2 and S3 are open.
(C) S2 and S3 are closed but S1 is open.
(D) S1 and S3 are closed but S2 is open.
Consider the circuit below. The bulb will light up of :
(A) S1 S2 and S3 are all closed.
(B) S1 is closed but S2 and S3 are open.
(C) S2 and S3 are closed but S1 is open.
(D) S1 and S3 are closed but S2 is open.
(B) S1 is closed but S2 and S3 are open.