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7.3 Circuit Analysis

Resistors in series

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Resistors connected in series :

The same current flows through each resistors.

The potential difference across each resistors is different.

The current :

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The Voltage :

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The Resistance :

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Resistors in parallel

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Resistors connected in parallel :

The same potential difference across each resistors.

The current flow through each resistors is different.

The Current :

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The Voltage:

clip_image014.

The Resistance:

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Hints of a circuit

Hint 1

Current Divider:

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Hint 2

Voltage Divider:

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Hint 3

Short circuit:

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Hint 4

No Current allowed into the voltmeter.

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Work example for series and parallel circuits

Example 1

Determine the effective resistance for the following circuits :-

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Solution

Example 2

What is the reading of the ammeter for the following circuits:-

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Solution

Example 3

What is the reading of the voltmeter for the following circuits:-

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Solution

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