BASIC ELECTRONICS

1.What is the purpose of a transistor in electronic circuits?

• To regulate voltage

• To store data

• To filter noise

• To amplify or switch electronic signals

2.Which type of semiconductor device acts as a one-way valve for electric current?

• Diode

• Inductor

• Transistor

• Capacito

3.Zener diode in reverse bias state has a controlled breakdown that allows current to keep the voltage close to which of the following?

• Threshold voltage

• Zener breakdown voltage

• Conduction voltage

• Knee voltage

4.Which component is used to convert alternating current (AC) to direct current (DC)?

• Transformer

• Rectifier

• Capacitor

• Inductor

5.What is the primary function of a capacitor in an electronic circuit?

• To act as a switch

• To regulate current

• To store electrical energy

• To amplify signals

6.Which semiconductor device can be used for signal modulation?

• Diode

• Capacitor

• Transistor

• Resistor

7.The donor energy level is close to the _____________band in n type semiconductor

8.A circuit in which large numbr of resistor capacitors diodes transistor s are connected on a single small chip is known as………………..

9. 9. .………………………in n type semicionductor hoas more mobility than ………………in p type semiconducto

10.……………………side of a p-n juctin is termed as anode and …………….side is termed as cathode