Bridge Circuits Flashcards
1
Q
What type of circuit is formed by VA, R1, Point 1, R2, and ground?
A
A Voltage-Divider
2
Q
The _______ is formed by two voltage divider circuits connected in parallel.
A
The bridge circuit is formed by two voltage divider circuits connected in parallel.
3
Q
What is the purpose of a bridge circuit?
A
A bridge circuit compares a known value to an unknown value.
4
Q
To determine the unknown value in a balanced bridge circuit, what formula should you use?
A
R1/R2 = Rx/Rs
5
Q
Comparing known resistive values to unknown resistive values is accomplished in a _______.
A
bridge circuit
6
Q
Rx is normally what?
Rs ?
A
Rx is an unknown value
Rs is a variable resistor
7
Q
A
