1:   Due to earth's magnetic field charged cosmic rays particle
Options:
  1. require greater kinetic energy to reach equator than pole
  2. can never reach the equator
  3. can never reach the pole
  4. none of the above

Answer: Option 2

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

2:   A sensitive magnetic instrument can be shielded very effectively from an outside field by placing it inside a box of -------
Options:
  1. teak wood
  2. plastic material
  3. soft iron of high permeability
  4. metal of high conductivity

Answer: Option 3

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

3:   The time period of a freely suspended magnet does not depend upon
Options:
  1. length of magnet
  2. pole strength of magnet
  3. length of the suspension
  4. all of the above

Answer: Option 3

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

4:   Pick out the one which is a unitless quantity?
Options:
  1. Pole strength
  2. Magnetic flux
  3. Susceptibility
  4. Permeability

Answer: Option 3

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

5:   A bar magnet of magnetic moment 80 units is cut into two halves of equal length ,the magnetic moment of each half will be ------
Options:
  1. 80 units
  2. 20 units
  3. 30 units
  4. 40 units

Answer: Option 4

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

6:   Magnetic field is measured by-------
Options:
  1. Flux metre
  2. Thermometre
  3. Hydrometre
  4. all of the above

Answer: Option 1

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

7:   Particles having positive charges occasionally comes with high velocity from sky towards the earth.On account of magnetic field of earth they would be deflected towards --------
Options:
  1. north
  2. south
  3. west
  4. east

Answer: Option 4

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

8:   A current loop placed in a magnetic field behaves like a
Options:
  1. magnetic dipole
  2. magnetic substance
  3. magnetic pole
  4. all of the above

Answer: Option 1

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

9:   A proton injected into a magnetic field and moving perpendicular to the lines of force taken up
Options:
  1. straight path
  2. helical path
  3. parabolic path
  4. circular path

Answer: Option 4

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

10:   A moving coil galvanometer is based upon --------
Options:
  1. heating effect of current
  2. thermoelectric effect of current
  3. magnetic effect of current
  4. none of the above are correct

Answer: Option 3

Explanation:

Sorry, No description available. Discuss this in Forums

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

More Physics Questions on :




Download StudyAlways app from google play





I'm done counting days. Now because of you I'm making the days count.
-Cheryl McIntyre Sometimes Never