Prior Knowledge Test for Batch-7(A)

The Atomic Number of Silicon is.........?

• 14

• 15

• 11

• 18

The Atomic Number of Germanium is.....................?

• 35

• 45

• 31

• 32

Semiconductor contains howmany electrons at its valency shell?

• 8

• 7

• 9

• 4

Identify the Insulator one?

• Aluminium

• Rubber

• Silver

• Metal

Identify the Body colour of the resistor?

• Red

• Black

• Green

• Gold

Insulator has forbidden gap of ........?

• 11ev

• 12ev

• 13ev

• 15ev

Resistor is used for........?

• Support current

• Oppose current

• Increase current

• Support voltage

Which electrons are take part in current conduction in semiconductor?

• Inner shell electrons

• Outer shell electrons

• Most innershell holes

• outer shell holes

Electron carry which charge?

• +ve

• -ve

• neutral

• more +ve

Missing of electron is known as ..........?

• Electron

• Hole

• Protron

• Neutron