Sci Unit 2 Lesson 2

Sci Unit 2 Lesson 2

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is resistance in an electrical circuit?

Back

Resistance is a measure of the opposition to the flow of electric current, measured in Ohms (Ω).

2.

FLASHCARD QUESTION

Front

What happens to current when voltage increases while resistance remains constant?

Back

The current increases according to Ohm's Law (I = V/R).

3.

FLASHCARD QUESTION

Front

What is the unit of measurement for electric current?

Back

Electric current is measured in Amperes (A).

4.

FLASHCARD QUESTION

Front

What type of current continually reverses direction?

Back

Alternating current (AC) is the type of current that continually reverses direction.

5.

FLASHCARD QUESTION

Front

What is Ohm's Law?

Back

Ohm's Law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R).

6.

FLASHCARD QUESTION

Front

What is the relationship between voltage, current, and resistance?

Back

The relationship is defined by Ohm's Law: V = I × R.

7.

FLASHCARD QUESTION

Front

What is a good conductor of electricity?

Back

A good conductor allows electric current to flow easily, examples include metals like copper and aluminum.

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