Electric Circuits Answers

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Which of the following statements best describes what is shown on this graph?

A
After a massive invasion, US troop levels declined from 2001 to 2008.
B
A few US troops in Afghanistan were followed by a massive surge and then a withdrawal.
C
Few US troops were present during the war’s early years, followed by a steady climb in their numbers.
3

Circuit A✔ Circuit B

A
Circuit A
B
Circuit B
4

resistorsbatteries✔ light bulbsswitches

A
resistors
B
batteries
C
light bulbs
D
switches
5

Circuit A✔ Circuit B

A
Circuit A
B
Circuit B
6

They will both remain lit.✔ They will both go out.Bulb B will go out, but bulb A will remain lit.Bulb A will go out, but bulb B will remain lit.

A
They will both remain lit.
B
They will both go out.
C
Bulb B will go out, but bulb A will remain lit.
D
Bulb A will go out, but bulb B will remain lit.
8

What are the two great objectives that President Bush named?

A
to remain steadfast, patient, and persistent while bringing terrorists to justice
B
to fight terrorists and prevent those who seek WMDs from threatening the United States
C
to shut down terrorist camps, disrupt their plans, and then bring them to justice
9

Which of the following statements best describes why the United States invaded Iraq?

A
President Bush argued that Saddam Hussein had been the terrorist mastermind behind 9/11.
B
Most nations in the world wanted to invade Iraq, and the United States agreed to lead the effort.
C
After 9/11, President Bush declared war on people like Saddam Hussein who had threatened America in a terroristic way.
D
After 9/11, President Bush argued that a man like Saddam Hussein could not be trusted with WMDs.
10

Which components do all circuits have in common? Select three options.

A
energy source
B
voltmeter
C
wires
D
ammeter
E
device that needs electrical energy
11

Any device that uses current is a

A
switch.
B
voltmeter.
C
battery.
D
resistor.
12

In a circuit diagram, what does this symbol represent?

A
a resistor
B
a light bulb
C
a battery
D
a switch
13

Why did the United States invade Afghanistan in 2001?

A
The US wanted to restore order to Afghanistan after the president was killed in a coup.
B
The US wanted to prevent the Soviet Union from taking over Afghanistan.
C
The terrorist group responsible for the 9/11 attacks was allowed to operate out of Afghanistan.
D
The Taliban had stripped away women’s rights and were committing human-rights offenses.
14

Use the drop-down menus to identify the parts of the diagram labeled A, B, C, and D. Label A Label B Label C Label D

Answers:
Selection 1:battery
Selection 2:switch
Selection 3:resistors
Selection 4:light bulbs
17

resistorbatterylight bulb✔ switch

A
resistor
B
battery
C
light bulb
D
switch
19

✔ resistorsbatterieslight bulbsswitches

A
resistors
B
batteries
C
light bulbs
D
switches

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