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Electrical Engineering
Series Parallel Circuits
Quiz 3
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Q.1
What theorem replaces a complex network with an equivalent circuit containing a source voltage and a series resistance?
Multinetwork
Norton
Thevenin
Superposition
Q.2
A galvanometer is a meter that measures small amounts of voltage.
True
False
Q.3
A smaller-value load resistor will cause the output voltage to change more than a larger-value one.
True
False
Q.4
A voltage divider consists of twokΩ resistors and aV source. The unknown output voltage is
12 V
24 V
0 V
6 V
Q.5
AkΩ resistor, akΩ resistor, and akΩ resistor are in series with twokΩ resistors that are in parallel. The source voltage isV. Current through thekΩ resistor is approximately
14 mA
1.4 mA
5 mA
50 mA
Q.6
A balanced Wheatstone bridge consists of an RV of 3,Ω, an R2 ofΩ, and an R3 ofΩ. The value of RUNK is
680 Ω
1,029 Ω
200 Ω
880 Ω
Q.7
The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.
True
False
Q.8
The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.
True
False
Q.9
In a certain five-step R/ladder network, the smallest resistor value is 1 kΩ. The largest value is
Indeterminable
2 kΩ
10 kΩ
20 kΩ
Q.10
A Wheatstone bridge consists of four resistors in parallel.
True
False
Q.11
The parallel combination of aΩ resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. AV source is connected across the circuit. The resistor with the most current has a value of
470 Ω or 1.2 kΩ
3 kΩ
470 Ω
1.2 kΩ
Q.12
Two equal-value resistors in series will divide the source voltage equally.
True
False
Q.13
The parallel combination of a 6.8 kΩ resistor and akΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. AV source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)
6.8 kΩ
2.2 kΩ
6.8 kΩ and 10 kΩ
2.2 kΩ and 1 kΩ
Q.14
ThreekΩ resistors are connected in series. AkΩ resistor is connected in parallel across one of thekΩ resistors. The voltage source isV. The total current in the circuit is
900 μA
9 mA
90 mA
800 μA
Q.15
A certain Wheatstone bridge has the following resistor values: R1 =kΩ, R2 =Ω, and R4 = 2.4 kΩ. The unknown resistance is
24 Ω
2.4 Ω
300 Ω
3,000 Ω
Q.16
A Wheatstone bridge is often shown in a "diamond" configuration.
True
False
Q.17
A resistor ladder network is a special type of series-parallel circuit.
True
False
Q.18
Using Kirchhoff's voltage law, you can find the voltages across certain parts of a series-parallel circuit.
True
False
Q.19
Using the current-divider formula, you can find the current in any branch of a series-parallel circuit.
True
False
Q.20
The parallel combination of aΩ resistor and a 1.5 kΩ resistor is in series with the parallel combination of five 1 kΩ resistors. The source voltage isV. The percentage of the load current through any single 1 KΩ resistor is
25 %
20 %
100 %
50 %
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