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Electronic Principles

Electronic Principles
Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?

30.4 V
37.4 V
None of these
35.4 V
38.74 V

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Electronic Principles
The rotating coil of wire in an electric motor is called the:

None of these
brush
armature
commutator
loop

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Electronic Principles
The knee voltage of a diode is approximately equal to the

Applied voltage
Breakdown voltage
Barrier potential
Forward voltage
None of these

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Electronic Principles
The merging of a free electron and a hole is called

Recombination
None of these
Thermal energy
Lifetime
Covalent bonding

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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?

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

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Electronic Principles
An ideal voltage source has

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

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