Which inductor is linear?
A. Air cored
B. Cast iron cored
C. Sheet steel cored
D. Iron alloy cored
Answer: Option A
A. Air cored
B. Cast iron cored
C. Sheet steel cored
D. Iron alloy cored
Answer: Option A
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
Because Air doesn't saturate so fast as other.