Physics: 5F- CURRENT

Quiz by Sherry Felux-Bell

High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)

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112.39.c.5.f

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12 questions
• Q1
What is the total resistance of this parallel circuit?
384 Ω
0.96 Ω
20 Ω
1.21 Ω
120s
112.39.c.5.f
• Q2
What is the current leaving the battery?
2.50 A
0.40 A
10.67 A
8.33 A
120s
112.39.c.5.f
• Q3
A smart phone uses three different batteries connected in a series to extend the battery life and to generate enough energy necessary to power the device. If each battery is rated at 2.4 V, what is the total voltage provided to the phone?
0 V
2.4 V
13.8 V
7.2 V
120s
112.39.c.5.f
• Q4
A 12.0 V battery is connected in series with two 10 Ω resistors. What is the current moving through either of the resistors?
120 A
1.7 A
0.6 A
240 A
120s
112.39.c.5.f
• Q5
A 20A fuse is connected in series with a circuit containing a 240 V source. What is the minimum resistance required to prevent the fuse from melting?
12 Ω
240 Ω
120 Ω
0.83 Ω
120s
112.39.c.5.f
• Q6
A student examining a flashlight observes that it uses a traditional incandescent light bulb. The power rating of the bulb is 60 W, and the bulb is connected to 36 V. What is the current moving through the bulb?
1.7 A
96 A
24 A
2,160 A
120s
112.39.c.5.f
• Q7
What is the total electrical energy used by a 9 V battery when connected to a 15 Ω resistor for 25 seconds?
135 J
30,375 J
41.7 J
5.4 J
120s
112.39.c.5.f
• Q8
Which of the following must be the same for both resistors R1 and R2?
Energy dissipated
Current
Power consumed
Voltage
120s
112.39.c.5.f
• Q9
One light bulb in the kitchen burns out and suddenly several lights go out in the house. This would provide evidence that the bulbs were wired in
series
reverse
parallel
different circuits
120s
112.39.c.5.f
• Q10
A student creates a parallel circuit that has three branches. The student places a resistor on each branch of the circuit so that each path has only one resistor. The student collected some of the electrical measurements in the circuit and recorded them below. Based on the information above, which values should replace the A, B, and C in the Student Circuit Data table?
A = 9 Ohms, B = 4.5 Amps, and C = 3 Volts
A = 3 Ohms, B = 4.5 Amps, and C = 24 Volts
A = 9 Volts, B = 9 Ohms, and C = 3 Amps
A = 3 Volts, B = 9 Ohms, and C = 24 Amps
120s
112.39.c.5.f
• Q11
Find the total resistance of the circuit shown above.
35 ohms
10 ohms
30 ohms
6.7 ohms
120s
112.39.c.5.f
• Q12
If the battery is 10.0 volts, what is the power dissipated by the circuit in the graphic?
100 watts
0.9 watts
12 watts
3.33 watts
120s
112.39.c.5.f

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