Which of the following describes Potential difference

The potential difference across an electrical component is the electrical energy supplied to it per coulomb of charge flowing through it

Potential difference is a flow of electrical charge: electrons.

Potential difference is the capacity of a physical system to do work.

A unit of matter that expresses the extent to which it has more or fewer electrons than protons.

How does the current change in this circuit?

It doesn't; it's the same everywhere

It gets less the further from the cell it is

It gets higher the further form the cell it is

How does the current change in this circuit?

It doesn't; it's the same everywhere

It gets lower the further from the cell

How does the potential difference change in this circuit?

It's shared between every component

It doesn't; it's the same everywhere

It gets less the further from the cell it is

It gets higher the further form the cell it is

Which of these options would give a total resistance of 10 Ω (ohms)?

A 2 ohm resistor and a 5 ohm resistor in series

A 2 ohm resistor and a 5 ohm resistor in parallel

Two 5 ohm resistors in parallel

Which of these factors does NOT affect the resistance of a wire?

The material the wire is made from

Which of these statements about a diode is true?

A diode lets current through in only one direction

A diode lets current through in both directions

A diode has low resistance in all arrangements

What happens when a high current flows through a wire?

It generates lots of heat due to resistance

It makes the wire more efficient

Electricity & Magnetism

Authored by Khaled Moustafa

Physics, Science

11th Grade

NGSS covered

Used 7+ times

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42 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is Resistance?

The flow of electrons

Electric potential difference

A battery

The ability to reduce the flow of electrons

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The mathematical relationship between Current, Voltage and Resistance

Faraday's Law

Coulomb's Law

Edison's Law

Ohm's Law

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How do you calculate voltage?

Current X Resistance

Resistance ÷ Current

Current ÷ Resistance

Measure it with a ruler

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

0.2V

20V

200V

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What voltage is needed to cause a 5A current flow through a 2Ω resistor?

10V

2.5V

0.4V

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What component is this?

Ammeter

Voltmeter

Battery

diode

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What component is this?

LDR

LED

Thermistor

diode

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Electricity & Magnetism

What is Resistance?

The mathematical relationship between Current, Voltage and Resistance

How do you calculate voltage?

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

What voltage is needed to cause a 5A current flow through a 2Ω resistor?

What component is this?

What component is this?

What component is this?

What component is this?

What is a formula to calculate Current

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