# Category: electro magnetic wave propagation solved problems #### 20.) Calculate the current i shown in Figure 12. Place answer in box.

... #### Questions 18 and 19: Consider the circuit shown in Figure 11. 18.) Find the capacitor voltage, vc ( t), at t = 1 second. Place answer in box. 19.) Find the power being absorbed by the 33 Ω resistor at t = 1 second. Place answer in box.

... #### Questions 16 and 17: Use the superposition principle to find the components of the current i shown in Figure 10. 16.) Determine the component of i due to the voltage source only and place your answer in the box. 17.) Determine the component of i due to the current source only and place your answer in the box.

... #### Questions 14 and 15: Consider the circuit shown in Figure 9. Design the circuit to have a time- constant of 3 seconds for t > 0 and vC ( ∞)= 2 V. 14.) Determine the required value of R and place your answer in the box. 15.) Determine the required value of C and place your answer in the box.

... #### 13.) The circuit in Figure 8 needs to have an equivalent capacitance of 0.14 F across terminals a and b. Determine the required value of C. Place your answer in the box.

... #### Questions 11 and 12: The op-amp in Figure 7 is ideal. Determine R1 and R2 so that vo ut = 10 V and i = 1 mA. 11.) Determine the required value of R1 and place your answer in the box. 12.) Determine the required value of R2 and place your answer in the box.

... #### 10.) Find the mesh current i1 of the circuit shown in Figure 6. Place your answer in the box.

... #### Questions 8 and 9: Find the Thevenin equivalent circuit at terminals a and b for the circuit shown in Figure 5. Draw the Thevenin equivalent circuit in the box below.

... #### Questions 6 and 7: Find the node voltage va and the current i for the circuit shown in Figure 4. 6.) Calculate the node voltage va of the circuit shown in Figure 4. Place your answer in the box 7.) Calculate the current i of the circuit shown in Figure 4. Place your answer in the box.

... #### Questions 4 and 5: Consider the circuit shown in Figure 3. 4.) Find the equivalent resistance across terminals a and b. Place your answer in the box. 5.) Calculate the current i and place your answer in the box.

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