1. For the second circuit, consisting of a single battery and two light bulbs in
ID: 1389512 • Letter: 1
Question
1. For the second circuit, consisting of a single battery and two light bulbs in series, how does the brightness of the bulbs compare to the first circuit, consisting of a single bulb?
o almost the same
o brighter
o dimmer
2. For the second circuit, consisting of a single battery and two light bulbs in series, what is the total resistance of the circuit if each light bulb has a resistance of 9.8 ohms?
____ ohms
What is the current through each bulb if the battery provides 1.5 Volts?
______ with units
3. For the third circuit, consisting of a single battery and two light bulbs in parallel, how does the brightness of the bulbs compare to the first circuit, consisting of a single bulb?
brighter
dimmer
almost the same
4. For the third circuit, consisting of a single battery and two light bulbs in parallel, what is the total resistance of the circuit if each light bulb has a resistance of 9.3 ohms?
_____ ohms
How much current is being drawn from the battery if the battery provides 1.5 Volts?
______ (with units)
What is the current through each bulb?
______ (With Units)
Explanation / Answer
1) dimmer
2) 19.6 ohm
and
0.0765 A
3) almost the same
4) 4.65 ohm
and
0.322 A
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