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