Current Voltage Resistance

Current Voltage Resistance

9th Grade

12 Qs

quiz-placeholder

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Current Voltage Resistance

Current Voltage Resistance

Assessment

Quiz

Physics

9th Grade

Practice Problem

Hard

Created by

Charles Martinez

Used 1+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The current in the wires of a circuit is 120.0 milliAmps. If the battery was replaced by one with double the voltage (with no other replacements), then its new current would be _____ milliAmps.

60 milliAmps

120 milliAmps

240 milliAmps

No way to tell

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The resistance of a light bulb is 30 ohms. If the current must double but the battery is remaining the same, the light bulb must be replaced by one with ____ ohms.

60 ohms

30 ohms (the light bulb resistance will not change)

15 ohms

More information is needed

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The resistance of the light bulb is 15 ohms. If the battery was replaced by one with double the voltage (with no other replacements), then the light bulb resistance must _____.

Increase to 30 ohms

Not change

Decrease to 7.5 ohms

No way to tell

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The current in the wires of a circuit is 60.0 milliAmps. If the battery was replaced by one with ⅓ of the original voltage (with no other replacements), then its new current would be _____ milliAmps.

20 milliamps

60 milliamps

180 milliamps

No way to tell

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The voltage of the battery is 8 volts. If the current must double but the light bulb is remaining the same, the battery must be replaced by one with ____ volts

16 volts

8 volts (the battery voltage won’t change)

4 volts

More information is needed

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The current in the wires of a circuit is 180.0 milliAmps. If the light bulb was replaced by one with one half of the original resistance (with no other replacements), then its new current would be _____ milliAmps.

90 milliAmps

180 milliAmps

360 milliAmps

No way to tell

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

The current in the wires of a circuit is 90.0 milliAmps. If the light bulb was replaced by one with triple the original resistance (with no other replacements), then its new current would be _____ milliAmps.

30 milliAmps

90 milliAmps

270 milliAmps

No way to tell

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