ELE100 Quiz 3 Parallel Circuits

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Using the figure calculate Rt = ohms, Et = V, the current through IR1 = mA, IR2 = mA, and IR3 = mA.

100, 60, 200, 300, 100

The value of a resistor colored RED RED RED GOLD is : Answer format is [Rt} k ohm [percent]%

2.2kohm 5%

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 in watts? Answer format is [P] W.

2.81 W

A three-branch parallel circuit has a total resistance of 385.83 ohms. Two of the resistors are 680 ohm and 1500 ohm. What is the value of the third resistor? Answer format is [R3] ohm

2200 ohm

A parallel circuit with voltage of 18 V is connected across a parallel branch of resistors R1 = 9 k ohms and R2 = 6 k ohms. Solve for Rt in k ohms. Note Express answer as [Rt] k ohms!

3.6, 5, 2, 3

Three 90 ohm resistors are connected in parallel. What is Rt____? Express as Rt ohms.

30 ohms

A parallel circuit composed of a 10 ohm and a 22 ohm resistor. It has a supply voltage of 60 V. The current in the 10 ohm resistor is [Ir1] A.

6A

What three important facts do you know about Parallel Circuits?

Voltage: Voltage drop across each branch is the same as applied voltage, Current: Total current is the sum, Resistance: Resistance total is always

A method for finding total resistance of parallel resistors is

all of the above

In a parallel circuit, several loads are connected to a single power source. Each separate load circuit is called a(n) ______.

branch

When measuring current in a parallel circuit the meter must be connected in ________ with that branch.

series


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