Electronic Principles
At cut off, the Q point is at

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

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Electronic Principles
Which one of the following phrases most accurately describes a purely inductive circuit?

The ac voltage lags the current by 90 degree
Inductive reactance provides the only opposition to current flow
Combinations of resistance and inductive reactance provide any opposition to current flow
Resistances provide the only opposition to current flow
None of these

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