What happens to the photoelectric current if the voltage across the electrodes i

Practice Questions

Q1
What happens to the photoelectric current if the voltage across the electrodes is increased?
  1. Increases
  2. Decreases
  3. Remains constant
  4. Becomes zero

Questions & Step-by-Step Solutions

What happens to the photoelectric current if the voltage across the electrodes is increased?
  • Step 1: Understand that the photoelectric effect involves light hitting a material and causing it to emit electrons.
  • Step 2: Know that these emitted electrons can create a current when they move towards an electrode.
  • Step 3: Recognize that voltage is like a push that helps move the electrons towards the electrode.
  • Step 4: When you increase the voltage, you provide a stronger push for the electrons.
  • Step 5: This stronger push means more electrons can reach the electrode, which increases the current.
  • Step 6: Therefore, increasing the voltage results in a higher photoelectric current.
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