Electronic Principles
What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?

None of these
150 ohm
690 ohm
220 ohm
445 ohm

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following phrases best describes residual magnetism?

None of these
The amount of magnetic flux that is not confined to the core material of an electromagnet
The circular magnetic field that surrounds a conductor carrying a current
Magnetism that remains in the core of an electromagnet after the current through the coil is turned off
The force of attraction between the poles of a permanent and temporary magnetic field

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Molecule is

A atom that has a shortage of electrons in its outer orbit
The smallest particle of a substance that retains the properties of that substance
A atom that has an excessive number of electrons in its outer orbit
A atom that flows whenever there is an imbalance of electrical charges between two points
None of these

ANSWER DOWNLOAD EXAMIANS APP