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