Assertion (A): A photocell is called an electric eye. Reason (R): When light is incident…
Physics · Class 12 · CBSE — Semiconductor Electronics
Assertion (A): A photocell is called an electric eye.
Reason (R): When light is incident on some semiconductor, its electrical resistance is reduced.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Answer
(A) Both A and R are true and R is the correct explanation of A.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- In a full wave junction diode rectifier the input ac has rms value of 20 V. The transformer used is a step up…
- Which of the energy band diagrams shown below corresponds to that of a semiconductor ?
- When the resistance measured between p and n ends of a p-n junction diode is high, it can act as a/an-
- In a circuit as shown in the figure, if the diode forward voltage drop is 0.3 V, the voltage difference…
- Assertion (A): Silicon is preferred over germanium for making semiconductor devices. Reason (R): The energy…
- Assertion (A): Diffusion current in a p-n junction is greater than the drift current in magnitude if the…
- The given graph represents V - I characteristic for a semiconductor device. Which of the following statement…
- The logic circuit shown below has the input waveforms A and B as shown. Pick out the correct output waveform.
More Semiconductor Electronics questions · Browse all practice questions