Two voltages V₁ and V₂ are connected to the X and Y plates of a CRO as shown in the given figure. To get a circular pattern on the CRO screen, R should be adjusted to a value of 365 #107 50HZ Supply 1μF C or R 个 V₂ ↓ 个 V₁ ↓ X₁ Y CRO

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