 |
1 | |
Naomi connected several loads so that the electrons in the circuit had more than one complete path to follow. She had created ____. |
| | A) | an open circuit |
| | B) | a parallel circuit |
| | C) | a short circuit |
| | D) | a series circuit |
|
|
2 | |
In a parallel circuit, each load ____. |
| | A) | creates an open circuit |
| | B) | has voltage and current, but no resistance |
| | C) | can be turned off without affecting the others |
| | D) | creates a short circuit |
|
|
3 | |
Each time you add a new load to a parallel circuit, ____. |
| | A) | the current increases |
| | B) | the current remains the same |
| | C) | the current decreases |
| | D) | the current is used up |
|
|
4 | |
The ____ in the circuit does not increase when you add batteries in parallel. |
| | A) | load |
| | B) | source |
| | C) | voltage |
| | D) | resistance |
|
|
5 | |
As more batteries (sources) are added in series, the lights in the circuit will get brighter. When the same thing is done to a parallel circuit, the lights ____. |
| | A) | will get dimmer |
| | B) | will flicker |
| | C) | will get brighter |
| | D) | will not get brighter or dimmer |
|
|
6 | |
As more lights (loads) are added in series, the lights ____. |
| | A) | will get dimmer |
| | B) | will flicker |
| | C) | will get brighter |
| | D) | will not get brighter or dimmer |
|
|
7 | |
Which of the following statements is NOT a fact about series circuits? |
| | A) | Electricity flows along one path only. |
| | B) | The voltage does not increase as batteries are added. |
| | C) | When there is a gap, no current flows. |
| | D) | The current decreases as loads are added. |
|
|
8 | |
Which of the following statements is NOT a fact about parallel circuits? |
| | A) | Components are joined along more than one continuous loop. |
| | B) | If there is a gap at one point, the current continues to flow through the other parts of the circuit. |
| | C) | The voltage increases as more batteries are added. |
| | D) | The current increases as lights are added. |
|
|
9 | |
The loads in a circuit can turn electrical energy into ____. |
| | A) | open circuits, closed circuits, and current circuits |
| | B) | series circuits, parallel circuits, and terminal circuits |
| | C) | voltage, current, and resistance |
| | D) | light, sound, and heat |
|
|
10 | |
Each battery in the following diagram is 1.5 volts. How many volts in total will there be when the system is closed by joining the wires at the arrow?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0070959005/251737/bcscience6_ch5_quiz2_q10rev.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>]]>
|
| | A) | 1.5 volts |
| | B) | 4 volts |
| | C) | 6 volts |
| | D) | 9 volts |
|