Electronic Principles
When the Q point moves along the load line, the voltage increases when the current

Stays the same
Decreases
Can be any of above
None of these
Increases

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

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
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
None of these
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

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

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

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