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Electronic Principles

Electronic Principles
Positive ions are atoms that have

None of these
Lost an electron
Gained an electron
Lost a proton
Gained a proton

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Electronic Principles
If a load resistance is 1 kW, a stiff voltage source has a resistance of

None of these
At least 10 Ohm
less than 10 Ohm
Less than 100 k Ohm
More than 100 k Ohm

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Electronic Principles
The barrier potential accross each depletion layer is

0.7 V
None of these
20 V
0.8 V

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Electronic Principles
A loadstone is:

an artificial magnet
a natural magnet
None of these
a paramagnetic alloy
a temporary magnet

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Electronic Principles
Which one of the following statements regarding ac circuits is correct?

Current lags the voltage through a resistor
Current and voltages are in phase through a resistor
None of these
All of these
Current leads the voltage through a resistor

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Electronic Principles
If a load resistance is 1 kW, a stiff current source has a resistance of

Less than 10 Ohm
Less than 100 k Ohm
More than 100 k Ohm
At least 10 Ohm
None of these

ANSWER DOWNLOAD EXAMIANS APP
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