Which one of the following statement is correct forbidden gap for four-point probe method of determining resistivity?
A. The sample must be extrinsic
B. The correct source is connected to the two inner probes
C. One probe point inject minority carriers
D. One flows only in a small area of the sample
Answer: Option B
Related Questions on Materials and Components
For making a capacitor it is better to have a dielectric having
A. High permittivity
B. Low permittivity
C. Permittivity same as that of air
D. Permittivity which is neither high nor low
As the viscosity of a liquid increases, the relaxation time
A. Remains constant
B. Increases
C. Decreases
D. First decreases then increases

Join The Discussion