Circuits Gizmo | ExploreLearning

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Michal Kreiselman

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Circuits

UPDATED

Build electrical circuits using batteries, light bulbs, resistors, fuses, wires, and a switch. An ammeter, a voltmeter and an ohmmeter are available for measuring current, voltage and resistance throughout the circuit. The voltage of the battery and the precision of the meters can be adjusted. Multiple circuits can be built for comparison.

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Assessment Questions (5):

In the series circuit shown below, what would happen if one of the light bulbs and its attached wire segment were removed?
- A. The remaining lights would go out.
- B. The remaining lights would shine with the same brightness.
- C. The remaining lights would shine less brightly.
- D. The remaining lights would get brighter.
In the parallel circuit shown below, what would happen if one of the light bulbs and its attached wire segment were removed?
- A. The remaining lights would go out.
- B. The remaining lights would shine with the same brightness.
- C. The remaining lights would shine less brightly.
- D. The remaining lights would get brighter.
In the circuit shown below, the battery voltage is 12 volts and the light bulbs are all identical. What is the voltmeter reading?
- A. 0 volts
- B. 3 volts
- C. 4 volts
- D. 12 volts
In the circuit shown below, the battery voltage is 20 volts. What will be the reading of the ammeter shown in the circuit?
- A. 1.50 amperes
- B. 0.50 amperes
- C. 0.40 amperes
- D. 0.20 amperes
What is the total resistance of the circuit shown below?
- A. 50 ohms
- B. 30 ohms
- C. 25 ohms
- D. 12 ohms

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