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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 3
6.
Which one of the following statements is true for the impedance of a series RC circuit?
The impedance is greater than the sum of the resistance and capacitive reactance
The impedance is equal to the sum of the resistance and capacitive reactance
The impedance is greater than either the resistance or capacitive reactance but less than their sum
The impedance is less than the sum of the resistance and capacitive reactance
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point
down
up
nowhere
off the load line
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding?
1/4
1/3
2
3
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz?
100 Ohm
Less than 1 Ohm
628 Ohm
444 Ohm
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which one of the following is a statement of KirchhofFs voltage law?
The total voltage in a parallel circuit is less than the value of the smallest voltage
The algebraic sum of voltages in a loop is equal to zero
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
The algebraic sum of voltages entering and leaving a point is equal to zero
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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