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

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

The total current in a series circuit is equal to the total voltage multiplied by the total resistance
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
The same current flows through every part of a series circuit
None of these
The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it

ANSWER DOWNLOAD EXAMIANS APP