In a series circuit, what is constant?

EEUTI130 Midterm Exam-B Reviewer

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Power
Current
Voltage
Resistance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much charge in Coulombs does one proton have?
6.24 × 10
6.24 × 10⁻¹
1.602 × 10⁴
1.602 × 10⁻¹⁹
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A wire has an initial resistance of 8Ω. The wire is then drawn to a length that is half as long as before, while the total material in the wire remains unchanged. What is the resistance of the new wire?
32Ω
16Ω
4Ω
2Ω
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The total charge entering a terminal is given by q = 7t^2 sin((pi*t)/4). Calculate the current at t = 0.6s:
6.11 A
6.11 mA
0.11 A
0.11 mA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the total charge entering a terminal between t = 7s and t = 12s if the current passing the terminal is i(t) = 3t + 7t mA:
1717.5 C
1.72 C
1.72 mC
-1717.5 mC
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the total resistance:
10.91Ω
41.135Ω
44Ω
120Ω
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the voltage drop at the 20Ω resistor:
0.1 V
2 V
5.45 V
0.27 V
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