Science Quiz 135

This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?

120

Magnetism of a magnet can be destroyed by?

Hammering

By inductive action of another magnet

By all above methods

None

Correct! Wrong!

If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density?

Doubles

Amplify flux

Increases

Decreases

Correct! Wrong!

Ferrites are materials?

Paramagnetic

Diamagnetic

Both (a) & (b)

Ferromagnetic

Correct! Wrong!

The ability of a material to remain magnetized after removal of the magnetizing force is known as?

Reluctance

Hysteresis

Both (A)& (B)

Retentivity

Correct! Wrong!

Materials subjected to rapid reversal of magnetism should have?

High permeability and low hysteresis loss

High coercivity and low density

High coercivity and high retentivity

None

Correct! Wrong!

Ferrites are materials ?

D materials

Paramagnetic materials

Both (A) & (B)

Ferromagnetic

Correct! Wrong!

The relative permeability of materials is not constant?

Paramagnetic material

Ferromagnetic material

Diamagnetic material

None

Correct! Wrong!

The induced voltage across a stationary conductor in a stationary magnetic field is ?

Increased

Reversed in polarity

Zero

Decreased

Correct! Wrong!

Science Quiz 135

You Failed

You weren't even close... Carry on!

Close enough!

You were even close... Carry on!

You are Genius!

You nailed it!

Science Quiz 135

Magnetism of a magnet can be destroyed by?

If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density?

Ferrites are materials?

The ability of a material to remain magnetized after removal of the magnetizing force is known as?

Materials subjected to rapid reversal of magnetism should have?

Ferrites are materials ?

The relative permeability of materials is not constant?

The induced voltage across a stationary conductor in a stationary magnetic field is ?

Write a Review Cancel reply

More Links

Secure Payment

Company Info

Purchased - Ravensburger - Prehistoric Giant Puzzle 150pc

Purchased - Ravensburger - Caribbean Smile Puzzle 300 pieces Learning Toy

Purchased - Poly M - Adventure Playground Kit

Science Quiz 135

Magnetism of a magnet can be destroyed by?

If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density?

Ferrites are materials?

The ability of a material to remain magnetized after removal of the magnetizing force is known as?

Materials subjected to rapid reversal of magnetism should have?

Ferrites are materials ?

The relative permeability of materials is not constant?

The induced voltage across a stationary conductor in a stationary magnetic field is ?

Share:

Human Anatomy Quiz 10

Geography Quiz 57

Write a Review Cancel reply

Related Post

Science, Tech, and Fun: Why STEM Toys Are

Be an Intelligent Santa: Science Toys for a

Holiday Fun with Robotic Toys for 9-Year-Olds: Learning

Holiday Fun with Science for Kids Aged 3-5:

Elevate Your Child’s Learning Experience with STEM Toys:

Purchased - Ravensburger - Prehistoric Giant Puzzle 150pc

Purchased - Ravensburger - Caribbean Smile Puzzle 300 pieces Learning Toy

Purchased - Poly M - Adventure Playground Kit