Electronic Principles
A device that converts thermal energy to electrical energy is called a:

piezoelectric devices
None of these
thermocouple
solar cell
chemical cell

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

None of these
An electron has a positive charge and a proton has no charge
An electron has a negative charge and a proton has a positive charge
An electron has a negative charge and a proton has no charge
An electron has a positive charge and a proton has a negative charge

ANSWER DOWNLOAD EXAMIANS APP