91
Which one of the following statements is true for the currents in a series RC circuit?
A)
The current always has the same amplitude and phase for every part of the circuit
B)
The total current is equal to the sum of the currents for the resistance and capacitance
C)
The total current is greater than the sum of the currents for the resistance and capacitance
D)
The total current is less than the sum of the currents for the resistance and capacitance
E)
None of the above
Answer & Solution
Answer: Option
A
92
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
E)
None of the above
Answer & Solution
Answer: Option
A
93
Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold
A)
220 Ohm, 5%
B)
220 Ohm, 10%
C)
22,000 Ohm, 5%
D)
22, 000 Ohm, 10%
E)
None of the above
Answer & Solution
Answer: Option
C
94
Which one of the following is most likely used for measuring the rate of electron flow?
A)
Voltmeter
B)
Ammeter
C)
Wattmeter
D)
Ohmmeter
E)
None of the above
Answer & Solution
Answer: Option
B
95
Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff?
A)
20 Ohm
B)
30 Ohm
C)
10 Ohm
D)
100 Ohm
E)
None of the above
Answer & Solution
Answer: Option
A
96
Which one of the following statements regarding ac circuits is correct?
A)
Current and voltages are in phase through a resistor
B)
Current leads the voltage through a resistor
C)
Current lags the voltage through a resistor
D)
All of the above
E)
None of the above
Answer & Solution
Answer: Option
A
97
Which one of the following statements most accurately describes the nature of inductive reactance?
A)
Inductive reactance is an opposition to current flow in dc circuits
B)
Inductive reactance is an opposition to current flow in ac circuits
C)
Inductive reactance is another term for counter emf
D)
Inductive reactance is a force that tends to overcome the effects of counter emf
E)
None of the above
Answer & Solution
Answer: Option
B
98
What are the main parts of an atom?
A)
Protons only
B)
Electrons, protons, and ions
C)
Electrons, ions, and neutrons
D)
Electrons, protons, and neutrons
E)
None of the above
Answer & Solution
Answer: Option
D
A)
The flow of charged particles through a material
B)
An imbalance of electrical charges
C)
The force that causes electrons to flow
D)
The number of free electrons in an atom
E)
None of the above
Answer & Solution
Answer: Option
A
100
A real voltage source has
A)
Zero internal resistance
B)
Infinite internal resistance
C)
A small internal resistance
D)
A large internal resistance
E)
None of the above
Answer & Solution
Answer: Option
C
