What does a linear network consists of linear elements

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Reference no: EM13268478

1. Thevenin's and Norton's network theorems are used to

a. prove the existence of charge

b. prove that Va - Vb = IR

c. reduce a complex circuit to a simpler circuit

d. prove that all circuits are essentially a supplied by a battery

e. Not a, b, c, or d

2. A linear network consists of linear elements and

a. Independent sources.

b. only a single battery.

c. dependent sources.

d. Both a and c

e. Not a, b, c, or d

3. Source transformation is a procedure for transforming a voltage source in series with a resistor

a. to a current source in parallel with a resistor

b. to a current source in series with a resistor

c. to a current source in parallel with a resistor, and vice versa

d. to a current source in series with a resistor, and vice versa

e. Not a, b, c, d

4. For a given Thevenin equivalent circuit, maximum power transfer occurs when the resistance of the load, RL, is

a. equal to the resistance of the battery

b. equal to the Thevenin resistance, RTH.

c. equal to twice the resistance of the battery.

d. equal to twice the resistance of the Thevenin resistance, RTH.

e. Not a, b, c, or d.

5. The relationship between the Thevenin resistance, RTH, and the Norton resistance, RN, is

a. RTH = RN

b. RTH > RN

c. Dependent on the voltage supplied by the battery

d. Dependent on the current supplied by the current source

e. Not a, b, c, or d.

6. The current through a branch in a linear network is 2 A when the input source is 10 V. If the voltage is reduced to 1 V and the polarity is reversed, the current through the branch is

a. - 2 A

b. - 0.2 A

c. 0.2 A

d. Cannot be determined with the information provided

e. Not a, b, c, or d

7. The superposition principle applies to

a. Voltage calculations.

b. Current calculations

c. Power calculations

d. All of the above.

e. Both a and b

8. The non-ideal op amp is a high-gain amplifier that has

a. high input resistance and high output resistance

b. low input resistance and low output resistance

c. high input resistance and low output resistance

d. low input resistance and high output resistance

e. Not a, b, c, or d

9. The ideal op amp is a high-gain amplifier that has

a. infinite input resistance and infinite output resistance

b. zero input resistance and zero output resistance

c. infinite input resistance and zero output resistance

d. zero input resistance and infinite output resistance

e. Not a, b, c, or d

10. For an ideal op amp, which of the following is NOT true

a. current out of the output terminal is 0 A

b. current into the input terminals is 0 A

c. voltage difference between the two input terminals is 0 V

d. the gain of the op amp is independent of the input voltage to the op amp

11. Determine the output voltage of a non-ideal op amp when the open-loop gain is 1000, the input to the non-inverting input is 2 mV, and the input to the inverting input is 1 mV.

a. 1 mV b. 1 V c. 1 kV d. 0 V e. Not a, b, c or d

12. What is the open-loop gain of an ideal op amp?

a. 108

b. 106

c. Rf / R1 d. Infinite e. Not a, b, c, or d

13. An inverting amplifier

a. only works with conductances, the inverse of resistances

b. reverses the polarity of the input signal

c. always produces a negative output voltage

d. both a and b

e. Not a, b, c, or d

Reference no: EM13268478

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