Physics 10 Chapter 16 - Basic Electronics - 1

Physics 10 Chapter 16 - Basic Electronics - 1

1. What is the branch of applied physics called which deals with the control of motion of electrons using different devices for various useful purposes?

a) Electromagnetism
b) Electronics
c) Electricity
d) Magnetism

2. Electronic devices being more effective and reliable have revolutionized the fields of..........................?

a) (d) Communication technology
b) (a) Both b and c
c) (c)Information technology
d) (b)Telecommunication

3. Electronics deals with the control of motion of.....................?

a) Electrons
b) Positrons
c) Protons
d) Neutrons

4. In which year, physicists started to examine the passage of electricity through a vacuum?

a) 1850’s
b) 1860’s
c) 1879’s
d) 1840’s

5. In the 1850’s physicists started to examine the passage of electricity through...................?

a) Air
b) Cylinder
c) Vacuum
d) Circuit

6. What are the rays called that are emitted from cathode?

a) Positive rays
b) Neutron rays
c) Cathode rays
d) Anoderays

7. What are the rays called that are emitted from negative electrode?

a) Neutron rays
b) Anode rays
c) Positive rays
d) Cathode rays

8. Who observed the deflection of cathode rays by both electric and magnetic fields?

a) Pascal
b) Pythagorean
c) F.M Wohler
d) J.J Thomson

9. When was the deflection of cathode rays by both electric and magnetic fields observed?

a) In 1897
b) In 1798
c) In 1879
d) In 1987

10. When J.J Thomson observed the deflection of cathode rays by both electric and magnetic fields?

a) In 1897
b) In 1879
c) In 1987
d) In 1798

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