Electrical 1B Parallel Circuits

In a parallel circuit, the amount of current flow in a branch is known as the ____ of the branch.

Load

What is the name of the point where current may travel in a different direction?

Node.

Circuits that have more than one path for current to flow are _______ circuits.

Parallel

Of the formulas for finding the total resistance of parallel resistors, only one formula will work for any number of resistors regardless of their value. The formula is the

Reciprocal

In a parallel circuit, the total resistance is ____ value resistance.

Smaller than the smallest

A parallel circuit composed of a 150 ohm and a 270 ohm resistor has a supply voltage of 120 V. What is the current in the 150 ohm resistor?

0.8A

a two-branch parallel circuit has a 30 ohm and a 15 ohm resistor. What is the total resistance?

10 ohm

A 62-k ohm and an 82-k ohm resistor are connected in parallel. They have a supply voltage of 480 V. What is the power of the 82-k ohm resistor?

2.81 W

A three-branch parallel circuit has a total resistance of 385.83 ohm. Two of the resistors are 680 ohm and 1500 ohm. What is the value of the third resistor?

2200 ohms

A two-branch parallel circuit has 2 A of current in one branch and 3 A in the other branch. The branch considered the larger load is the branch with __ A.

3

A parallel circuit composed of a 120 ohm and 220 ohm resistor has a supply voltage of 240 V. What is the total circuit current?

3.091 A

A parallel circuit is composed of two 60 ohm resistors. What is the total resistance?

30 Ohms

A 270 ohm, a 150 ohm, and a 220 ohm resistor are connected in parallel. The applied voltage is 480 V. What is the current total of the 270 ohm and the 150 ohm resistors?

4.98 A

A parallel circuit composed of a 10 ohm and a 22 ohm resistor. It has a supply voltage of 60 V. What is the current in the 10 ohm resistor?

6 A

A three-branch parallel circuit has resistances of 22 k ohm, 68 k ohm, and 33 k ohm connected to a 300 V source. What is the total power of the circuit?

8.14 W

A three branch parallel circuit has resistors of 27 ohm, 56 ohm, and 15 ohm. What is the total resistance?

8.23 ohm

A method for finding total resistance of parallel resistors is

All of the above. ( Resistors of equal value, product over sum, reciprocal formula.)

In a parallel circuit, the total current is equal to the ______ of the individual branch circuits.

sum

The term "load" refers to the amount of ____ in a circuit branch.

Current

In a parallel circuit, the current through each branch is inversely proportional to the resistance of the branch. Because of this, parallel circuits are sometimes called

Current dividers.