In an non-inverting OP-AMP summer is shown in the figure,

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In an non-inverting OP-AMP summer is shown in the figure, output voltage V₀ will be

1. 3 sin (100t)
  2
2. 3 sin (100t)
3. sin (100 t)
4. 2 sin (100 t)

Correct Option: B

V₀ = -2		1 +	2R		+ (2 + sin 100 t)		1 +	2R
			R					R

= – 6 + 6 + 3 sin 100 t = 3 sin 100 t