WorksheetsPS Unit 7 Lesson 4 Exploration Questions
Total questions: 10
Worksheet time: 5mins
What is an electric current?
A single charge moving from one place to another
A continuous flow of electric charges
A stationary group of electric charges
A device that measures voltage
What device is used to measure electric current?
Voltmeter
Thermometer
Ammeter
Barometer
What is the unit of electric current?
Volt
Ohm
Ampere
Watt
What happens when electric charges move through a wire?
A magnetic field is generated
The wire becomes an insulator
The wire loses all resistance
The wire glows in the dark
What is the relationship between electricity and magnetism called?
Electrolysis
Electromagnetism
Electroplating
Electrostatics
What happens to the magnetic field when the electric charges stop moving?
It gets stronger
It reverses direction
It disappears
It becomes electric current
What shape does the three-dimensional magnetic field around a straight wire take?
Sphere
Cube
Cylinder
Pyramid
What is a solenoid?
A straight wire with no current
A device that measures temperature
A long, coiled wire
A type of battery
What happens to the magnetic field when a wire is coiled into a solenoid?
It weakens and spreads out
It disappears completely
It becomes stronger and more concentrated
It turns into an electric field
What is the function of the core in a solenoid?
To measure electric current
To provide a path for electric charges to escape
To increase the strength of the magnetic field
To block the magnetic field
