Delmar Unit 7

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When determining the total resistance in a parallel circuit, the reciprocal of any number is that number divided into

1

Three rules for solving parallel circuits

1. The total current is the sum of the currents through all branches of the circuit 2. The voltage across any part of the circuit is the same as the total voltage 3. The total resistance is the reciprocal of the sum of the reciprocals of each individual branch

The amount of current flowing through each resistor is directly proportional to its resistance.

False

Most devices such as a light receptacle at home and office buildings are connected in ____

Parallel Series

A method for finding total resistance of parallel resistors is calculating product over sum

True

The current divider formula can be used to calculate current flow through any branch of a circuit

True

The voltage drop across any branch of a parallel circuit is the same as applied voltage

True

The voltage drop across any branch of a parallel circuit is the same as _______________ voltage.

applied

An increase in _____, not resistance, results in an increase of load.

current

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

current

Parallel circuits are also referred to as _____.

current dividers

parallel circuits are

current dividers

In a parallel circuit the total current flow is equal to the sum of the ___ through all the branches

currents

In a parallel circuit, the total current flow is ____ of the currents through all the branches.

equal to the sum

In a parallel circuit, the total resistance is _____ value resistor.

less than the lowest

An increase of current, not resistance, results in an increase of

load

circuits in home are connected in

parallel

In a parallel circuit the amount of current that flows through each resistor is inversely proportional to the ___ value

resistance

In a parallel circuit, the total ___ is less than that of the lowest value resistor

resistance

The amount of current flow through each branch of a parallel circuit is inversely proportional to its ___

resistance

The current flowing through each branch of a parallel circuit can be calculated when the total ____ and total _____ are known

resistance and current

In a parallel circuit the voltage across each branch is the ____ across all branches

same


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