Electronic Principles
Which one of the following kinds of materials has the highest permeability?

None of these
A ferromagnetic material
A paramagnetic material
All of these
A diamagnetic material

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

None of these
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The total current in a parallel circuit is always less than the smallest amount of current
The same current always flows through every part of a parallel circuit
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it

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Electronic Principles
The total impedance of a parallel RLC circuit:

None of these
always increases as the applied frequency increases
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
always decreases as the applied frequency increases
is maximum at the resonant frequency

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