ELECTRONICS 1

Which of the following refers to the study of flow of electrons in semi-conductors?

• Electrical

• Electronics

• Physics

• Chemistry

Which of the following device can be called as electronic device?

• Motor

• Mixer Grinder

• Sewing machine

• Mobile

The maximum operating DC voltage in electronics circuits is

• Upto 100 V

• up to 35 V

• Upto 230 V

• 1000V

What is the operating voltages of most of the electronic devices?

• 100V to 230V

• 1.5V to 12V

• 12V to 100V

• 230V to 1kV

Which of the following is not a sub atomic particle of an atom?

• Proton

• Electron

• Neutron

• Ion

The electrons present in the outermost shell are called

• Valence electrons

• Octate electrons

• Duplet electrons

• Free electrons

Which of the following causes actual electricity?

• Flow of atoms

• Flow of nuetrons

• Flow of electrons

• Flow of protons

Which of the following can be taken away from an atom?

• Proton

• Electron

• Neutron

• Ion

Cation is a positevely charged atom. How does an atom become a cation?

• By losing a proton

• By gaining a proton

• By losing an electron

• By gaining an electron

What charge do electrons have?

• Negative charge

• Positive charge

• No charge

• Both charges