[QUIZ] Electromagnetic Induction

Quiz
•
Physics
•
12th Grade
•
Hard
NABILAH Moe
Used 11+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Figure below shows the side view of a circular coil of N turns and area A in a magnetic field B. If the normal to the plane of the coil makes an angle with the magnetic field, the magnetic flux through the coil is
NBA cos α
NBA sin α
BA cos α
BA sin α
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of the following statements are true about magnetic flux except
it is independent of surface area.
it is the product of the normal component of the surface area with magnetic flux density.
it is zero if the magnetic field is parallel to the surface.
it represents the total magnetic field lines through a surface.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
____________law states that the direction of the induced current is such that it always _______ ___ the change producing it.
Lenz's Law, oppose
Faraday's Law, oppose
Lez's Law, follow
Faraday's Law, follow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which law states that the induced current is proportional to the change of magnetic flux?
Lenz's law
Ampere's law
Faraday's law
Gauss' law
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The bar magnet is moved towards the coil and is then brought to stop. How the reading of ammeter changes during this process?
The needle deflects to the right then left
The current is increasing
The current flows then become zero
No deflection at all times during process
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A coil is positioned with its center aligned to the bar magnet. Which movement of the magnet will not produce an induced emf in the coil?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The galvanometer connected to a solenoid is experiencing a deflection to the left. What might be happening?
The bar magnet is moving to the left, getting away from the stationary solenoid.
The bar magnet is moving to the right, getting nearer to the stationary solenoid.
The solenoid is moving to the left together with the bar magnet at the same speed.
The solenoid is moving to the left, getting nearer to the stationary bar magnet.
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