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G10 Electronics M1 G1

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

What is the unit of frequency?

a)

ohm

b)

ampere

c)

volt

d)

hertz

2.

When was the transistor invented?

a)

1942

b)

1943

c)

1948

d)

1949

3.

Who was the first person to develop a battery (Voltaic cell) that could produce electricity as a result of chemical reaction?

a)

Joseph Henry

b)

Luigi Galvani

c)

Alessandro Volta

d)

Guglielmo Marconi

4.

Who was the first person to demonstrate the existence of radio waves?

a)

James Clerk Maxwell

b)

Thomas Alva Edison

c)

Heinrich Rudolph Hertz

d)

Guglielmo Marconi

5.

What is the unit of resistance?

a)

volt

b)

watt

c)

ampere

d)

ohm

6.

Who invented the superheterodyne radio in 1917, and patented FM radio in 1933?

a)

Jack S. Kilby

b)

Seymour Cray

c)

Ted Hoff

d)

Edwin Howard Armstrong

7.

What is EPAS?

a)

Electronic Promotion Association and Services

b)

Electric Power Arm and Services

c)

Electronic Product Assembly and Servicing

d)

Electronic Product Asset and Servicing

8.

Who discovered Ohm's law in the year 1827, which is about the relationship between current, voltage & resistance?

a)

George Simon Ohm

b)

Luigi Galvani

c)

Joseph Henry

d)

Ted Hoff

9.

Who demonstrated the theory of electromagnetic induction in 1831?

a)

Michael Faraday

b)

Andre Ampere

c)

James Clerk Maxwell

d)

Charles Coulomb

10.

Who is the father of wireless communication?

a)

Guglielmo Marconi

b)

Heinrich Rudolph Hertz

c)

Samuel F.B. Morse

d)

Heinrich B. Morse