大学MOOC Circuits Analysis and Electronics Illustrated(University of Electronic Science and Technology of China)1458198164 最新慕课完整章节测试答案
Chapter 4 Cricuit Theorems
quiz 1-linear resistor circuit
1、填空题：
An energy source forces a constant current of 2 A for 10 s to flow through a light bulb. If 2.3 kJ is given off in the form of light and heat energy, calculate the voltage drop across the bulb.
答案: 【 115】
2、填空题：
Calculate the power supplied or absorbed by the independent voltage source.
答案: 【 -100 W】
3、填空题：
Calculate the power supplied or absorbed by the dependent current source.
答案: 【 -8W】
4、填空题：
An electric iron draws 2 A at 120 V. Find its resistance.
答案: 【 60Ω】
5、填空题：
For the circuit shown in Figure, calculate the voltage v.
答案: 【 30V】
6、填空题：
For the circuit in this Figure, find voltage v2.
答案: 【 -12V】
7、填空题：
Determine vo in the circuit shown in the Figure.
答案: 【 48V】
8、填空题：
Find Req for the circuit shown in the Figure.
答案: 【 14.4Ω】
9、填空题：
For the circuit shown in the Figure, find v1.
答案: 【 45V】
10、填空题：
Calculate the node voltage v2 in the circuit.
答案: 【 20V】
11、填空题：
Calculate the node voltage v3 in the circuit.
答案: 【 -2.4V】
12、填空题：
Calculate the mesh current i1 in the circuit.
答案: 【 1A】
13、填空题：
Use the superposition theorem to find v in the circuit of the Figure.
答案: 【 10V】
14、填空题：
Find the short current isc of the Norton equivalent circuit of the circuit.
答案: 【 1A】
15、填空题：
Find themaximum power in the circuit of the Figure.
答案: 【 56.25W】
16、填空题：
Calculatethe energy stored in a 3-pF capacitor with 20 V across it.
答案: 【 600pJ】
17、填空题：
Find the equivalent capacitance seen between terminals a and b of the circuit.
答案: 【 20μF】
18、填空题：
The switch in the circuit the Figure has been closed for a long time. At t=0, the switch is opened. Calculate
i(t) for t >0.
答案: 【 6e^-4tA】
19、填空题：
The switch in the Figure has been in position A for a long time. At t=0, the switch moves to B. Determine τ for
t >0.