A. A. By magnetic induction
B. By a tickler coil
C. From the centre of split capacitors
D. None of the above
Oscillators
Oscillators
A. 1
B. Greater than 1
C. Less than 1
D. Equal to attenuation of feedback circuit
A. A phase shift around the feedback loop of 180o
B. A gain around the feedback loop of one-third
C. A phase shift around the feedback loop of 0o
D. A gain around the feedback loop of less than 1
A. Rigidity
B. Vibrations
C. Low Q
D. High Q
A. L and C
B. R, L and C
C. R and C
D. None of the above
A. Radio receivers
B. Radio transmitters
C. TV receivers
D. None of the above
A. Proportional to square of
B. Directly proportional to
C. Independent of the values of
D. Inversely proportional to square root of
A. power into d.c. power
B. power into a.c. power
C. mechanical power into a.c. power
S. none of the above