Two wires of equal length and cross-sectional area are suspended as shown in figure. Their Young's modulii are Y $_{1}$ and Y $_{2}$ respectively. The equivalent Young's modulii will be:

Y_{1} + Y_{2}

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\frac{Y_{1} Y_{2}}{Y_{1} + Y_{2}}

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\frac{Y_{1} + Y_{2}}{2}

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\sqrt{Y_{1} Y_{2}}

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Two wires of equal length and cross-sectional area are suspended as shown in figure. Their Young's modulii are Y1 and Y2 respectively. The equivalent Young's modulii will be:

Two wires of equal length and cross-sectional area are suspended as shown in figure. Their Young's modulii are Y $_{1}$ and Y $_{2}$ respectively. The equivalent Young's modulii will be: