A. 200
B. 100
C. 3 to 8
D. 1 to 2
Related Mcqs:
- Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ________?
A. 50
B. 100
C. 150
D. 200 - Dielectric strength of mica is___________?
A. 10 to 20 kV/mm
B. 30 to 50 kV/mm
C. 50 to 200 kV/mm
D. 300 to 500 kV/mm - The dielectric constant (relative permittivity) of glass is given by___________?
A. 0.1 to 0.4
B. 0.5 to 1.0
C. 2.0 to 4.0
D. 5 to 100 - Which of the following material has least value of dielectric constant ?
A. Ceramics
B. Oil
C. Glass
D. Paper - The value of dielectric constant for vacuum is taken as____________?
A. zero
B. 1
C. 4
D. 10 - A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance _______?
A. Ceramic capacitor
B. Mica capacitor
C. Both will have identical value of capacitance
D. It depends on applied voltage - Mica capacitors are characterized by all of the following except___________?
A. stable operation
B. accurate value
C. low leakage reactance
D. low losses - If mica sheet is placed between the plates of a capacitor the capacity_______________?
A. increases
B. decreases
C. increases then decreases
D. decreases then increases - Dielectric strength _________ with increasing thickness
A. increases
B. decreases
C. remains unaltered
D. none of the above - When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will______________?
A. remain uncharged
B. decrease
C. increase
D. become zero
