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Understanding Current, Resistance, and Voltage

Understanding Current, Resistance, and Voltage

Assessment

Interactive Video

Physics, Science

7th - 10th Grade

Practice Problem

Medium

Created by

Jackson Turner

Used 11+ times

FREE Resource

The video tutorial explains the relationship between current, resistance, and potential difference, also known as voltage. It introduces Ohm's Law, which states that voltage equals current times resistance (V=IR). The tutorial covers how to measure potential difference using a voltmeter and current using an ammeter, emphasizing the importance of connecting these devices correctly in a circuit. It also demonstrates how to calculate resistance using the V=IR equation. The video concludes with a summary of the key concepts discussed.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another term for potential difference?

Current

Power

Voltage

Resistance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component often provides the potential difference needed for current flow?

Resistor

Capacitor

Inductor

Battery

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Ohm's Law, what is the relationship between voltage, current, and resistance?

V = I + R

V = R / I

V = I * R

V = I / R

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of measurement for current?

Volts

Ohms

Amperes

Watts

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate current using the V = IR equation?

I = V * R

I = V / R

I = R / V

I = V + R

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How should a voltmeter be connected to measure potential difference?

In series

In parallel

In a loop

In a diagonal

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What instrument is used to measure current in a circuit?

Voltmeter

Ammeter

Ohmmeter

Thermometer

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