A voltage divider consists of two 100 kΩ resistors and a 12 V source. What will the output voltage be if a load resistor of 1 MΩ is connected to the output?
(A) 0.57 V
(B) 6 V
(C) 12 V
(D) 5.7 V
Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is_________?
(A) 24 V
(B) 12 V
(C) 0 V
(D) 6 V
The current flowing through an unloaded voltage divider is called the____________?
(A) bleeder current
(B) load current
(C) resistor current
(D) voltage current
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?
(A) 200 mA
(B) 400 mA
(C) 600 mA
(D) 800 mA
If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?
(A) cannot tell
(B) remains the same
(C) increases
(D) decreases
A Wheatstone bridge can be used to determine an unknown_____________?
(A) current
(B) voltage
(C) resistance
(D) power
A device able to supply electrical energy is a __________?
(A) nonconductor
(B) battery
(C) conductor
(D) microwave
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___________?
(A) 2 V, 4 V
(B) 2 V, 2 V
(C) 2 V, 6 V
(D) 4 V, 6 V
The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is_____________?
(A) 20,000 Ω
(B) 100,000 Ω
(C) 200,000 Ω
(D) 1,000,000 Ω
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?
(A) 1 MΩ
(B) 100 kΩ
(C) 1 kΩ
(D) 330 Ω