Answer Key For Electronic Principles By Albert Malvino
Chapter 1
1. An ideal voltage source has
5. A real current source has
a. Zero internal resistance
b. Infinite internal resistance
c. A load-dependent voltage
d. A load-dependent current
a. Zero internal resistance
b. Infinite internal resistance
c. A small internal resistance
d. A large internal resistance
2. A real voltage source has
6. If a load resistance is 1 kohm, a stiff current source has a resistance of
a. Zero internal resistance
b. Infinite internal resistance
c. A small internal resistance
d. A large internal resistance
a. At least 10 ohm
b. Less than 10 ohm
c. More than 100 kohm
d. Less than 100 kohm
3. If a load resistance is 1 kohm, a stiff voltage source has a resistance of
7. The Thevenin voltage is the same as the
a. At least 10 ohm
b. Less than 10 ohm
c. More than 100 kohm
d. Less than 100 kohm
a. Shorted-load voltage
b. Open-load voltage
c. Ideal source voltage
d. Norton voltage
4. An ideal current source has
8. The Thevenin resistance is equal in value to the
a. Zero internal resistance
b. Infinite internal resistance
c. A load-dependent voltage
d. A load-dependent current
a. Load resistance
b. Half the load resistance
c. Internal resistance of a Norton circuit
d. Open-load resistance
9. To get the Thevenin voltage, you have to
d. always has low resistance
a. Short the load resistor
b. Open the load resistor
c. Short the voltage source
d. Open the voltage source
14. An open resistor has
10. To get the Norton current, you have to
a. Short the load resistor
b. Open the load resistor
c. Short the voltage source
d. Open the current source
11. The Norton current is sometimes called the
a. Shorted-load current
b. Open-load current
c. Thevenin current
d. Thevenin voltage
12. A solder bridge
a. may produce a short
b. may cause an open
c. is useful in some circuits
d. always has high resistance
13. A cold-solder joint
a. shows good soldering technique
b. usually produces an open
c. is sometimes useful
a. Infinite current through it
1. An ideal voltage source has
5. A real current source has
a. Zero internal resistance
b. Infinite internal resistance
c. A load-dependent voltage
d. A load-dependent current
a. Zero internal resistance
b. Infinite internal resistance
c. A small internal resistance
d. A large internal resistance
2. A real voltage source has
6. If a load resistance is 1 kohm, a stiff current source has a resistance of
a. Zero internal resistance
b. Infinite internal resistance
c. A small internal resistance
d. A large internal resistance
a. At least 10 ohm
b. Less than 10 ohm
c. More than 100 kohm
d. Less than 100 kohm
3. If a load resistance is 1 kohm, a stiff voltage source has a resistance of
7. The Thevenin voltage is the same as the
a. At least 10 ohm
b. Less than 10 ohm
c. More than 100 kohm
d. Less than 100 kohm
a. Shorted-load voltage
b. Open-load voltage
c. Ideal source voltage
d. Norton voltage
4. An ideal current source has
8. The Thevenin resistance is equal in value to the
a. Zero internal resistance
b. Infinite internal resistance
c. A load-dependent voltage
d. A load-dependent current
a. Load resistance
b. Half the load resistance
c. Internal resistance of a Norton circuit
d. Open-load resistance
9. To get the Thevenin voltage, you have to
d. always has low resistance
a. Short the load resistor
b. Open the load resistor
c. Short the voltage source
d. Open the voltage source
14. An open resistor has
10. To get the Norton current, you have to
a. Short the load resistor
b. Open the load resistor
c. Short the voltage source
d. Open the current source
11. The Norton current is sometimes called the
a. Shorted-load current
b. Open-load current
c. Thevenin current
d. Thevenin voltage
12. A solder bridge
a. may produce a short
b. may cause an open
c. is useful in some circuits
d. always has high resistance
13. A cold-solder joint
a. shows good soldering technique
b. usually produces an open
c. is sometimes useful
a. Infinite current through it