Question: In a series–parallel circuit, individual component power dissipation are calculated using_____________?

• 1. individual component parameters
• 2. a percent of the total power depending on resistor ratios
• 3. total current squared multiplied by the resistor values
• 4. a percent of the voltage division ratio squared

Question: In a series–parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2‘s voltage will:___________?

• 1. increase
• 2. remain the same
• 3. decrease
• 4. cannot tell

Question: The current flowing through an unloaded voltage divider is called the____________?

• 1. bleeder current
• 2. load current
• 3. resistor current
• 4. voltage current

Question: With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current of R2 if R1 is series connected with parallel circuit R2 and R3?

• 1. 200 mA
• 2. 400 mA
• 3. 600 mA
• 4. 800 mA

Question: If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?

• 1. cannot tell
• 2. remains the same
• 3. increases
• 4. decreases

Question: A Wheatstone bridge can be used to determine an unknown_____________?

• 1. current
• 2. voltage
• 3. resistance
• 4. power

Question: A device able to supply electrical energy is a __________?

• 1. nonconductor
• 2. battery
• 3. conductor
• 4. microwave

Question: A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ resistors are used to provide the two taps. The two output voltages are___________?

• 1. 2 V, 4 V
• 2. 2 V, 2 V
• 3. 2 V, 6 V
• 4. 4 V, 6 V

Question: The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is_____________?

• 1. 20,000 Ω
• 2. 100,000 Ω
• 3. 200,000 Ω
• 4. 1,000,000 Ω

Question: A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?

• 1. 1 MΩ
• 2. 100 kΩ
• 3. 1 kΩ
• 4. 330 Ω