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Physics: Electric Current, Voltage, Power, and Ohm's Law Introduction

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Physics: Electric Current, Voltage, Power, and Ohm's Law Introduction

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Questions and Answers

In the context of electric circuits, what do individual elements such as transistors and resistors represent?

Individual electronic components

Letters in a mathematical equation

Letters in different words

Alphabets in an unknown language (correct)

What are the two fundamental theories of applied physics related to electric circuits?

Electric circuit theory and quantum theory

Electromagnetic theory and quantum theory

Electric circuit theory and electromagnetic theory (correct)

Quantum theory and relativity theory

What are the three basic elements of a simple electric circuit?

Battery, lamp, and resistor

Battery, bulb, and conductor

Power source, light bulb, and insulator

Power source, light bulb, and conductor (correct)

Which international system of units (SI) is commonly used in the study of electric circuits?

Metric system Signup and view all the answers

What is the relationship described by Ohm's law?

The relationship between voltage and current Signup and view all the answers

What is the SI unit for electric potential?

Volt Signup and view all the answers

Which type of charge is relevant to the circuits studied in this course?

Negative charge Signup and view all the answers

How is voltage (V) measured?

In volts Signup and view all the answers

What is the law of conservation of charge?

Charge can neither be created nor destroyed, only transferred Signup and view all the answers

What is the energy required to move a unit charge through an element called?

Voltage Signup and view all the answers