Exercise: Electronic Principles

Questions for: Electronic Principles

The total inductance of a series inductor circuit is:
A:
equal to the sum of the individual inductance values
B:
equal to the sum of the individual inductive-reactance values
C:
less than the value of the smallest inductor
D:
equal to the source voltage divided by total current
Answer: A
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Which one of the following statements is true for current flowing in a series circuit?
A:
The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
B:
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
C:
The same current flows through every part of a series circuit
D:
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
Answer: C
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Which one of the following statements is true for the currents in a parallel RC circuit?
A:
The total current is equal to the sum of the currents for the resistance and capacitance
B:
The current always has the same amplitude and phase for every part of the circuit
C:
The total current is less than the sum of the currents for the resistance and capacitance
D:
The total current. is greater than the sum of the currents for the resistance and capacitance
Answer: A
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A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?
A:
4.73
B:
0.4 V
C:
24 V
D:
600 V
Answer: C
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What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?
A:
less than 1 Ohm
B:
1590 Ohm
C:
312 Ohm
D:
690 Ohm
Answer: B
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