Electronic Principles
At cut off, the Q point is at

lower end of the load line
None of these
infinity
upper end of the load line
middle of the load line

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The core of an electromagnet is said to be in saturation when:

the core is permitted to move freely within the coil
changing the polarity of the current in the coil changes the polarity of the magnetic field around the core
None of these
an increase in current through the coil causes no further increase in the mmf
frequent changes in the direction of current through the coil causes heating effects in the core material

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Molecule is

A atom that flows whenever there is an imbalance of electrical charges between two points
None of these
A atom that has an excessive number of electrons in its outer orbit
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

ANSWER DOWNLOAD EXAMIANS APP