Skip distance depends on time of day and angle of incidence.
A). True
A).1. With reference to a power station which of the following is not a fixed cost?
2. The final stage of a multistage amplifier uses ___________
3. For the protection of power station buildings against direct strokes the requirements are
4. Total parallel capacitance is less than that of the smallest capacitor in parallel.
5. In a graded index fiber, the total reflected light takes a ___________.
6. A potentiometer may be used for
7. Has relatively wider range of speed control.
8. The capacity of a battery is expressed in terms of
9. Quartz and Rochelle salt belongs to ___________ of piezo-electric materials
10. In D.C. generators, the brushes on commutator remain in contact with conductors which