ELECTRONIC PRACTICE - Practice Mode

1) What is the reason for barrier voltage is more in silicon material?

Lower atomic number Resistance is very low Doping percentage is more Valance electrons are two only

Correct Answer: Lower atomic number

2) What is the reason for widened barrier in a reverse biased diode?

Minority carriers in two materials are neutralised Electron in N material is drifted to positive terminal Holes in P material attracted to negative terminal Electrons and holes are attracted towards supply terminals

Correct Answer: Electrons and holes are attracted towards supply terminals

3) Which filter circuit is capable of removing voltage spikes in the rectifier circuit?

LC filter RC filter Capacitor input filter Series inductor filter

Correct Answer: LC filter

4) Which is the advanced version of power electronic component used in the output stage in drives?

FET UJT SCR IGBT

Correct Answer: IGBT

5) How the decimal number can be converted into binary number?

Divide decimal by 4 Multiplying decimal by 4 Dividing decimal by 2 Multiplying decimal by 2

Correct Answer: Dividing decimal by 2

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