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Electronic Principles

Electronic Principles
Most AC power is obtained from:

None of these
lightning
generators
batteries
oscillators

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Electronic Principles
As the temperature increases, the current gain

decreases
None of these
increases
can be any of the above
contant

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Electronic Principles
When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

purely resistive circuit
None of these
series RC circuit
series RLC circuit operated above its resonant frequency
series RL circuit

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

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

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Electronic Principles
When operating above its resonant frequency, a series RLC circuit has the characteristics of a:

purely resistive circuit
series RC circuit
None of these
series RLC circuit operated below its resonant frequency
series RL circuit

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Electronic Principles
A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage?

18 V
24 V
12 V
30 V
None of these

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