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An input signal is needed for an oscillator to start.
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For a given compound DC machine, Net field current obtained from characteristic is equal to 7.5 A, where shunt field current is equal to 5 A, armature current is 505 A, demagnetizing current equal to 0.95 A and shunt field winding of 1000 turns at rated speed of 1000 rpm. What will be the series field turns?
The lead-lag circuit in the Wien-bridge oscillator has a resonant frequency at which the attenuation is_________
At series resonance, the impedance of a crystal is________
For connecting two generators in parallel, they should have __________________
The twin-T oscillator produces a ________ response.
While connecting two DC generators in parallel, which of the following is not a desirable condition?
Which of the following improvements is (are) a result of the negative feedback in a circuit?
We connect two generators in parallel _____________
Load sharing of two generators connected in parallel is determined by __________
For a parallel operation of 2 DC shunt generators, we get net external characteristics ___________