The total deficiency or excess of electrons in a body is known as____________?

Related Mcqs:

1. The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as____________?

   A. pholoelectric effect
   B. chemical effect
   C. magnetic effect
   D. induction

2. If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________________?

   A. Spiral path
   B. Straight line
   C. Curved path
   D. Circular path

3. The number of electrons in one coulomb charge is equal to_______________?

   A. 6.2 x 1018
   B. 1.6 x 1019
   C. 6.2 x 1021
   D. 1.6 x 10-27

4. The value of dielectric constant for vacuum is taken as____________?

   A. zero
   B. 1
   C. 4
   D. 10

5. “The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed”. The above statement is associated with____________?

   A. Coulomb’s square law
   B. Gauss’s law
   C. Maxwell’s first law
   D. Maxwell’s second law

6. Acharge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 10 N, is known as_____________?

   A. milli-coulomb
   B. micro-coulomb
   C. pico-coulomb
   D. coulomb

7. A unit tube of flux is known as tube___________?

   A. Newton
   B. Faraday
   C. Michale
   D. None of the above

8. Which of the following expression is correct for electric field strength___________?

   A. E = D/E
   B. E = D2/t
   C. E = jtD
   D. E= nD2

9. To prevent the generation of static charges on rubber or flat leather__________?

   A. surface is moistened
   B. conductive dressing is done
   C. oil compound dressing is done
   D. talcum powder is sprayed on the surface

10. Value of εr for various dielectrics is always________________?

    A. Less than unity
    B. Equal to the unit
    C. Larger than unit
    D. No hard and fast rule