Electrical Engineering Mcqs — Test 85

Page 1 of 3

Question 1

Superconducting metal in super conducting state has relative permeability of________________?

Question 2

For a particular material the Hall coefficient was found to be zero. The material is______________?

Question 3

For a hole which of the following statements is incorrect ?

Question 4

The conductivity of an extrinsic semiconductor with temperature________________?

Question 5

The carbon percentage is least in__________________?

Question 6

is an element used in semiconductors whose atoms have three valence electrons?

Question 7

For germanium the forbidden energy gap is_______________?

Question 8

The current due to electron flow in conduction band is the hole current in valence band?

Question 9

The minority carrier concentration is largely a function of_____________?

Question 10

In _________ machines, the size of the shaft is decided by the critical speed which depends on the deflection of the shaft?