Advertisements
Advertisements
प्रश्न
In the following diagram, is the junction diode forward biased or reverse biased ?
Advertisements
उत्तर
(a) Reverse Biased
APPEARS IN
संबंधित प्रश्न
In the following diagram 'S' is a semiconductor. Would you increase or decrease the value of R to keep the reading of the ammeter A constant when S is heated? Give reason for your answer.
With reference to semi-conductors answer the following :
(i) What is the change in the resistance of the semi-conductor with increase in temperature ?
(ii) Name the majority charge carriers in n-type semi-conductor.
(iii) What is meant by doping ?
The power delivered in the plate circular of a diode is 1.0 W when the plate voltage is 36 V. Find the power delivered if the plate voltage is increased to 49 V. Assume Langmuir-Child equation to hold.
Answer the following question.
Why photodiodes are required to operate in reverse bias? Explain.
We use alloys for making standard resistors because they have ____________.
On increasing the reverse biases voltage to a large value in a P – N junction diode-current
Write the property of a junction diode which makes it suitable for rectification of ac voltages.
Explain the formation of the barrier potential in a p-n junction.
A semiconductor device is connected in series with a battery, an ammeter and a resistor. A current flows in the circuit. If. the polarity of the battery is reversed, the current in the circuit almost becomes zero. The device is a/an ______.
An ideal PN junction diode offers ______.
