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Resistance

When a photo ...

Question

When a photo multiplier tube was used, the photo current recorded is $60 μ A$ .The actual photo current is

A

> 60 μ A

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B

= 60 μ A

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C

< 60 μ A

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D

\leq 60 μ A

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Solution

The correct option is C $< 60 μ A$
The actual current is always lower than that measured by photo multiplier tube due to non- ideal conditions.

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