BASIC ELECTRICAL AND ELECTRONICS - Practice Mode

1) What is the energy conversion of battery during discharge?

Electrical energy into heat energy Chemical energy into electrical energy Electrical energy into chemical energy Electrical energy into mechanical energy

Correct Answer: Chemical energy into electrical energy

2) What is the energy conversion of battery during charging?

Electrical energy into chemical energy Electrical energy into heat energy Chemical energy into electrical energy Electrical energy into mechanical energy

Correct Answer: Electrical energy into chemical energy

3) Which shell electrons has least energy?

K shell electron L shell electron M shell electron N shell electron

Correct Answer: K shell electron

4) Which is the semi conductor materials?

Arsenic and boron Gallium and indium Germanium and silicon Aluminium and antimony

Correct Answer: Germanium and silicon

5) How the semi conductor material can be identified with atomic structure?

Two electrons in the outer most orbit Three electrons in the outer most orbit Four electrons in the outer most orbit Five electrons in the outer most orbit

Correct Answer: Four electrons in the outer most orbit

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