What is required for electromagnetic radiation to travel outward?

Magnetic Fields and Electric Charges

Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A solid object
Oscillating electrons
A vacuum
A medium with particles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a positive charge is brought near another positive charge?
They combine to form a larger charge
They remain neutral
They repel each other
They attract each other
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of an electric charge moving on the electric field at a faraway point?
The field changes instantly
The field changes after some time
The field disappears
The field remains unchanged
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of a magnetic field around a bar magnet?
It only affects objects in direct contact
It extends to faraway points
It is invisible and has no effect
It is only present at the poles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who were the scientists that showed the connection between electricity and magnetism?
Isaac Newton and Albert Einstein
Hans Christian Oersted and Michael Faraday
Nikola Tesla and Thomas Edison
James Clerk Maxwell and Heinrich Hertz
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the magnetic needle when electric current flows through a wire?
It stops moving
It moves away from the wire
It swings to right angles to the current
It remains parallel to the wire
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the direction of the magnetic field around a wire if the current flows upwards?
Anti-clockwise
Clockwise
Vertical
Horizontal
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