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

None of these
thermocouple
solar cell
electric device
chemical cell

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following phrasers best describes flux density?

The opposition to a build-up of magnetic fields
The force that maintains lines of force
The concentration of lines of magnetic force
The rate of change of the number of lines of magnetic force
None of these

ANSWER DOWNLOAD EXAMIANS APP