The value of resistivity for insulator is of the order of____________?

Related Mcqs:

1. Resistance of an ideal insulator is __________________?

   A. infinite
   B. zero
   C. finite
   D. depends upon nature

2. Reciprocal of resistivity is called__________________?

   A. resistance
   B. inductance
   C. conductivity
   D. flexibility

3. A wire of uniform area of cross-section A length L and resistance R is cut into two parts. Resistivity of each part _________________?

   A. remains the same
   B. is doubled
   C. is halved
   D. becomes zero

4. The mass-energy relation is the outcome of____________?

   A. Quantum theory
   B. General theory of relativity
   C. Special theory of relativity
   D. None of these

   Submitted by: Fahad Mehsud

5. In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is________________?

   A. Equal to D.C. value
   B. More than D.C. value
   C. Less than D.C. value
   D. Zero

6. Wavelength of X-rays falling at glancing angle of 30? on a crystal with atmic spacing 2 x 10-10 for the fist order diffraction is________________?

   A. 4 x 10-10 m
   B. 2 x 10-10 m
   C. 0.02×10-10m
   D. 20×10-10m

7. What is the value of the current in a wire of 10cm long at the right angle to a uniform magnetic field of 0.5 Weber/m2 when the force acting on the wire is 5N ?

   A. 1A
   B. 10A
   C. 100A
   D. 1000A

8. Numerical value of Boltzmanns constant is______________?

   A. 1.38×10-31JK-1
   B. 3.18×10-31JK-1
   C. 3.18×10-23JK-1
   D. 1.38×10-23JK-1

9. The value of acceleration due to gravity is minimum on which of these planets?

   A. Mars
   B. Jupiter
   C. Mercury
   D. Neptune

   Submitted by: Abid Hussain

10. Value of ‘g’ at the surface of moon is _____________?

    A. 6ge
    B. ge/6
    C. 2ge
    D. Zero

    Submitted by: Rizwan Ayub Saadi