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The first goal(s) to accomplish in analyzing a complex series–parallel circuit is to
solve for all the voltage drops
equate all parallel components
solve for the total current and resistance
equate all series components
If a 1 k and a 2 k resistor are parallel-connected across a 12 V supply, how much current is received by the 2 k resistor
12 mA
4 mA
8 mA
6 mA
In the given circuit, Channel 1 of the stereo amplifier outputs 12 V to thespeakers.
How much total current is the amplifier providing to the speakers
1.5 a
3 A
0 A
More information is needed to find the total current provided to the speakers.
If the load in the given circuit is 120 k , what is the loaded output voltage
15.79 V
4.21 V
16 V
19.67 V
When parallel resistors are of three different values, which has the greatest power loss
The smallest resistance
Voltage and resistance values are needed.
The largest resistance
They have the same power loss.
Which is considered to be the common reference for a parallel circuit
Power
Voltage
resistance
Current
What is the product-over-sum result of 150 and 6800
0.006
146.7
6800
150
A Thevenin equivalent circuit contains _____
resistors in a series-parallel configuration
a voltage source in series with a resistance
many voltage sources
a current source in series with a resistance
In the given circuit, the voltage at point A equals ______
+10 V
+1 V
+9 V
–10 V
The total power in the given circuit is ___
7.2 mW
30 mW
4.8 mW
18 mW
Which component is shorted
R1
r2
r3
r4
What does RT equal in the given circuit
1.8 k
200
90
180
The current through R1 will be
48 mA
88 mA
128 mA
2.2 mA
The loading effect of a voltmeter can be ignored if ____
the measured voltage is very high
the meter's resistance is at least 10 times less than the resistance across which it is connected
the measured voltage is very low
Components that connect in parallel form
short circuits
open circuits
Branches
a voltage divider
If a Wheatstone bridge is balanced, a voltmeter in the center of the bridge will read
half the source voltage
zero volts
the same as the source voltage
twice the source voltage
What is the voltage to the load
11.4 V
13.4 V
15.4 V
12.4 V
What determines if resistor connections are in series, parallel, or series–parallel
the power source
resistance
the voltage source
current flow
If two parallel-connected resistors dissipate 6 watts and 10 watts of power, then what is the total power loss
4 watts
16 watts
3.75 watts
60 watts
The total current in the given circuit equals _____
128 mA
170 mA
42 mA
86 mA
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