In a vibrating reed frequency meter, the natural frequencies of two adjacent reeds have a difference of
1). 0.1 Hz
2). 0.25 Hz
3). 0.5 Hz
4). 1.5 Hz
1. For frequencies above the resonant frequency, a parallel LC circuit behaves as a ___________ load
2. If the operating point changes, the h parameters of transistor ___________
3. The starting torque of a squirrel-cage induction motor is
4. A series resistance is connected in the zener circuit to___________
6. A transformer can have regulation closer to zero
7. The advantage of oil filled cables is
8. A transformer can have zero voltage regulation at
9. The no load current in a transformer lags behind the applied voltage by an angle of about