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The total circuit power in the given circuit equals _____
0 W
64 µW
4 µW
16 × 10–12 W
If a 220 , a 100 , and a 180 resistor are connected in series across a 12 V source, the circuit current equals ___
41.67 A
24 mA
120 mA
500 A
–1.2 V, +15 V, and –6 V batteries are connected inseries.
The magnitude of total voltage is _________
7.8 V
1.3 V
22.2 V
10.2 V
A short circuit has
no resistance
too much resistance
no conductance
low current
If R2 opens in the given circuit, what is the voltage at point B
+28 V
+19.2 V
–19.2 V
+8.8 V
If two resistors have the same voltage drop in a series circuit, it means
they are of unequal value
they are connected in parallel
they are of equal value
the voltage has doubled
The polarity on the side of the resistor where current enters is______.
The polarity on the side of the resistor where current exits is ___________
positive, negative
negative, negative
positive, positive
negative, positive
With 20 V applied, an 8-ohm resistor is in series with alamp.
When the lamp is removed, what voltage will be read across the lamp socket
8 V
20 V
0 V
12 V
What is the dc source voltage
13 V
0 V
78 V
39 V
How much current flows in the circuit in the given circuit
20 A
140 A
60 A
80 A
What is the total power in the circuit
1.7 W
170 mW
170 W
17 W
A series circuit schematic is recognized because all the components are connected
end to end in a "string"
horizontally across the page
in a uniform vertical manner
diagonally across the page
If a 3.9 k, a 7.5 k, and a 5.6 k resistor are connected in series with a 34 V source, the voltage dropped across the 7.5 k resistor equals _____
7.8 V
34 V
11.2 V
15 V
The voltage drop across a series resistor is proportional to what other value
the amount of time the circuit is on
total resistance
its own resistance
wattage rating
Which equation determines individual resistor voltage drop
V x R
I x R
I2 x R
V x I
When 50 V is applied to four series resistors, 100 µAflows.
If R1 = 12 k , R2 = 47 k, and R3 = 57 k, what is the value of R4
3.84 k
384 k
3.84 M
38.4 k
If four 90 resistors are connected in series across an 18 V source, the current equals ___
20 A
0.2 A
5 A
50 mA
With a 900 V source, voltage is divided across 3 series resistors of 300 V, 280 V, and
270 V
900 V
320 V
30 V
In the given circuit, what type of failure will cause the voltage at point B to equal the voltage at point C
R2 opens
R1 shorts
R2 shorts
R3 shorts
What is the total resistance
6 k; the sum
2 k; the average
0 k; there is no current
3 k; the largest
1
2
3
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