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Electronics



1.            Electronics is the study of nature, control and applications of electrons.

2.            Modem is modulator demodulator.

3.            Rectifiers are used to convert alternating current (AC) to direct current (DC).

4.            An electronic oscillator is device, which converts DC energy in to AC Energy.

5.            Silicon is used in solar cells.

6.            Materials whose resistivity lied in between conductors and insulators are called semiconductors. Germanium silicon carbon etc is semiconductors.

7.            A transistor is a current operated device whereas a triode is a voltage operated device.

8.            A transistor can be operated only at low voltages and temperatures.

9.            Three regions of transistors are emitter, base and collector.

10.          A transistor transfers a signal from a low resistance to high resistance.

11.          The word transistor came from the process of transfer and the resistor.

12.          ELINT is electronic intelligence.

13.          In electronics bias means voltage.

14.          Triode was invented by Lee De forest

15.          The IC chips is a circuit which performs the functions of transistors, diode, resistors, condensers etc altogether.

16.          Electrons are carriers of current in a npn transistors.  Holes are the carriers of current in a pnp transitors.

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