Quiz Questions - February

Question 1 1 Marks

What is stationary electric charges?

A

Static charges

B

Kinetic charges

C

Chemical charges

D

Electrical charges

Question 2 1 Marks

Which material contains eight electrons in valency layer?

A

Insulators

B

Conductors

C

Semiconductors

D

Intrinsic semiconductors

Question 3 1 Marks

Which electrical parameter opposes the flow of electrons?

A

Power

B

Voltage

C

Current

D

Resistance

Question 4 1 Marks

How the single strand wire is called?

A

Flexible wire

B

Twisted wire

C

Hook up wire

D

Multi strand wire

Question 5 1 Marks

Which cores are used in intermediate frequency transformers?

A

Steel

B

Nickel

C

Cobalt

D

Ferrite

Question 6 1 Marks

How many electrons are contained in coulomb of electric charge?

A

6.25 x 108 electrons

B

6.25 x 1012 electrons

C

6.25 x 1016 electrons

D

6.25 x 1018 electrons

Question 7 1 Marks

What is the percentage of conductivity of electric current in aluminium?

A

0.22

B

0.47

C

0.56

D

0.76

Question 8 1 Marks

Which metal has very good conductivity to the electric current?

A

Gold

B

Copper

C

Silver

D

Aluminium