The cathode of photoeletric cell is changed such that the work function charges from W₁ to W₂ (W₂ > W₁). If the current are I₁ and I₂ all other conditions remaining unchanged, then (assuming $h v$ > W₂)

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$I_{1} > I_{2}$

$I_{1} = I_{2}$

$I_{1} < I_{2}$

$I_{1} < I_{2} < 2 I_{1}$

answer is A.

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Detailed Solution

The work function has no effect on current so long as $hv > W_{0}$ . The photoelectric current is proportional to the intensity of light. since there is no change in the intensity of light, therefore I₁ = I₂.

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