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Electronic Principles

Electronic Principles
What is the turns ratio for the transformer specified in the above question?

None of these
0.707
0.575
10.738
1.5

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Electronic Principles
For normal operation of the transistor, the collector diode has to be

None of these
Operating in the breakdown region
Reverse-biased
Forward-biased
Nonconducting

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Electronic Principles
An ideal voltage source has

None of these
A load-dependent current
Zero internal resistance
A load dependent voltage
Infinite internal resistance

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Electronic Principles
A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation?

10 mW
200 mW
None of these
300 mW
20 mW

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Electronic Principles
A real voltage source has

A small internal resistance
None of these
Infinite internal resistance
Zero internal resistance
A large internal resistance

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Electronic Principles
Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?

50 Ohm or more
None of these
6 Ohm
5 Ohm
100 Ohm

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