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Electronic Principles

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

0.575
None of these
10.738
1.5
0.707

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Electronic Principles
The barrier potential accross each depletion layer is

None of these
0.7 V
0.8 V
20 V

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Electronic Principles
The equivalent of 1 megohms is:

1 k ohm
None of these
one million ohms
one-millionth of an ohm
100,000 ohm

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Electronic Principles
The direction of electron current flow is:

None of these
from right to left
from positive to negative
from negative to positive
from neutral to positive

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Electronic Principles
A device that converts light energy to electrical energy is called a:

solar cell
photo transistor
photodiode
thermocouple
None of these

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Electronic Principles
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:

armature
battery
commutator
rotor
None of these

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