Curioustab

Home » Electrical Engineering » Parallel Circuits

In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that

R3 is open
R1 is open
R2 is open
the circuit is operating properly

Correct Answer: R3 is open

← Previous Question Next Question→

More Questions from Parallel Circuits

The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is
Addition of resistors in parallel increases total resistance and decreases total current.
The total current divides among parallel resistors in a manner directly proportional to the resistance values.
The sum of the currents into a junction is equal to the sum of the currents out of that junction.
A parallel circuit acts as a current divider.
Parallel resistors are connected between the same two points.
The total resistance for two resistors in parallel is equal to the sum of the two resistors.
The number of current paths equals the number of resistors in parallel.
When an open circuit occurs in a parallel branch, the total resistance decreases.
Total power in a parallel circuit is found by adding up the power of all the individual resistors.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion