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Computer Science - Electronic Principles

Exercise : Electronic Principles - Section 2
36.
What is the smallest number of polarities required for current flow?
One - a negative terminal
Two - a negative terminal and a positive terminal
Three - negative, positive and neutral terminals
Four - two negative and two positive
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode?
55 A
55.86 A
18.2 mA
16.3 mA
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode
11 mA
12 mA
10 mA
14 mA
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The graph of current gain versus collector current indicates that the current gain
varies enormously
is contant
varies slightly
equals the collector current divided by the base current
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Which one of the following statements is true for the currents in a parallel RL circuit?
The total current is equal to the sum of the currents through the resistance and inductance
The current always has the same amplitude and phase for every part of the circuit
The total current is less than the sum of the currents through the resistance and inductance
The total current leads the total voltage by less than 90
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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