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Electronic Principles

Electronic Principles
The barrier potential accross each depletion layer is

0.7 V
20 V
0.8 V
None of these

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Electronic Principles
1 Microfarad is the same as:

None of these
1 millionth of a picofarad
1000 millifarads
1 million farads
1 million picofarads

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Electronic Principles
A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?

0.41666666666667
100 A
None of these
1000 A
0.1 A

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Electronic Principles
In a step-down transformer, which is larger?

None of these
Primary voltage
Secondary voltage
Neither
Impossible to say

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Electronic Principles
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

down
nowhere
up
None of these
off the load line

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Electronic Principles
If the base supply voltage increases, the Q point moves

nowhere
down
None of these
up
off the load line

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