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Electrical Circuits and Multimeter Usage

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Electrical Circuits and Multimeter Usage

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Questions and Answers

What happens to the total resistance in a parallel circuit when more resistances are added?

It increases significantly

It becomes infinite

It decreases (correct)

It stays the same

In a series circuit, the total voltage drop is equal to which of the following?

The voltage drop across one load

The average voltage across the loads

The sum of the voltage drops across all loads (correct)

The input voltage minus the total resistance

When measuring current with a multi-meter, it should be connected in which way?

In series with the circuit (correct)

To a ground reference point

In parallel with the load

Across the voltage source

Which of the following statements is true about measuring resistance with a multi-meter?

<p>It should be done with the circuit turned off and the component isolated</p> Signup and view all the answers

What type of circuit is characterized by a consistent voltage across all components?

<p>Parallel circuit</p> Signup and view all the answers

Study Notes

Circuit Types and Measurements

Series Circuits: Current is the same through each load/resistor.
Parallel Circuits: Voltage remains the same across each load/resistor.
Adding more loads/resistances to a parallel circuit increases the current.
Adding more loads/resistances to a parallel circuit decreases the total resistance.
In a series circuit, the sum of the voltage drops across the loads equals the source voltage.

Multimeter Usage

Voltage Measurement: A multimeter measures voltage in a parallel connection.
Current Measurement: A multimeter measures current in a series connection.
Resistance Measurement: A multimeter typically measures resistance by disconnecting the component from the circuit.

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Description

This quiz explores the concepts of series and parallel circuits, including their properties and measurements. It also covers the use of a multimeter for measuring voltage, current, and resistance. Test your knowledge on these fundamental electrical concepts!