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Q#1 CRO GATE EE 2007 MCQ +1 mark -0.33 marks

The probes of a non-isolated, two-channel oscilloscope are clipped to points A. B and C in the circuit of the adjacent figure Vin is a square wave of a suitable low frequency. The display on Ch1 and Ch2 are as shown on the right.  Then the “Signal” and “Ground” probes S1, G1 and S2, G2 of Ch1 and Ch2 respectively are connected to points

  

A, B, C, A

A, B, C, B

C, B, A, B

B, A, B, C

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