Reciprocal of resistivity is called__________________?

Related Mcqs:

1. 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

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

   A. 105 ohm metre
   B. 106 ohm metre
   C. 107 ohm metre
   D. 108 ohm metre

3. The waves that require a material medium for their propagation are called__________________?

   A. matter waves
   B. electromagnetic waves
   C. carrier waves
   D. mechanical waves

4. If the density of atoms remain same along any direction in a crystal is called__________________?

   A. Symmetry
   B. Homogeneity
   C. Isotropy
   D. Cleavage

5. A completely filled band is called__________________?

   A. Conduction band
   B. Valence band
   C. Forbidden band
   D. Core band

6. Average energy required to remove one nucleon from the nucleus is called__________________?

   A. Binding energy per nucleon
   B. Energy of decay
   C. Destruction energy
   D. All of above

7. An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?

   A. 2KWh
   B. 20KWh
   C. 6KWh
   D. 12KWh

8. If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be_______________?

   A. 3600C
   B. 7200C
   C. 1C
   D. 2C

9. When same current passes for same time through a thick and thin wire_________________?

   A. more heat is produced in thick wire
   B. more heat is produced in thin wire
   C. no heat is produced in wire
   D. less heat is produced in thick wire

10. Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains ?

    A. 40 W bulb
    B. 60 W blub
    C. 100 W blub
    D. all will burn equally brightly