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Electronic Principles

Electronic Principles
A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?

0.05 mA
None of these
13 mA
3.75 mA
3.2 mA

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Electronic Principles
How much current flows through a 60-W light bulb that is operating at 120 V?

0.083333333333333
7200 A
None of these
180 A
0.5A

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Electronic Principles
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

Twice the primary current
One-half the primary current
No more than 10% less than the primary current
Same as the primary current
None of these

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Electronic Principles
A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?

3.75 mA
3.2 mA
0.05 mA
13 mA
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
How many protons does the nucleus of a silicon atom contain?

4
48
29
14
None of these

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Electronic Principles
In an intrinsic semiconductor, the number of free electrons

None of these
Impossible to say
Is less than the number of holes
Equals the number of holes
Is greater than the number of holes

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