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प्रश्न
What energy conversion takes place in a solar cell?
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उत्तर
Solar/light energy to electrical energy.
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संबंधित प्रश्न
With what considerations in view, a photodiode is fabricated? State its working with the help of a suitable diagram.
Even though the current in the forward bias is known to be more than in the reverse bias, yet the photodiode works in reverse bias. What is the reason?
State its any ‘two’ uses of photodiode.
Describe briefly, with the help of a diagram, the role of the two important processes involved in the formation of a p-n junction.
Draw the circuit diagram of an illuminated photodiode in reverse bias. How is photodiode used to measure light intensity?
Explain how a potential barrier is developed in a p-n junction diode.
Draw solar cell V-I characteristics.
With reference to Semiconductor Physics,
Name the process that causes depletion region in a p-n junction.
Name the device which converts the change in intensity of illumination to change in electric current flowing through it. Plot I-V characteristics of this device for different intensities. State any two applications of this device.
The amplifiers X, Y and Z are connected in series. If the voltage gains of X, Y and Z are 10, 20 and 30, respectively and the input signal is 1 mV peak value, then what is the output signal voltage (peak value)
- if dc supply voltage is 10V?
- if dc supply voltage is 5V?
If the resistance R1 is increased (Figure), how will the readings of the ammeter and voltmeter change?
