Correct Answer:- Option-C
Question19:-Who is the minister in charge of Portfolio of Kerala State Dairy Development Department?
A:-V.S. Sunil Kumar
B:-P. Thilothaman
C:-T.P. Rama Krishnan
D:-K. Raju
Correct Answer:- Option-D
Question20:-Britain's Andy Murray won the ATP World Tour Number One Trophy after defeating
A:-Novak Djokovic
B:-Stan Wawrinka
C:-David Goffin
D:-Kei Nishi Kori
Correct Answer:- Option-A
Question21:-The mode of propagation of FM Signal is by
A:-Sky wave
B:-Ground wave
C:-Direct wave
D:-Reflected wave
Correct Answer:- Option-C
Question22:-Adding a weak cell in series with a battery causes
A:-Decrease in Current
B:-Increase in Current
C:-Decrease in Voltage
D:-No Change in Voltage and Current
Correct Answer:- Option-C
Question23:-The ratio of ON time of a Pulse to the OFF time is known as
A:-Pulse Repetition Frequency
B:-Duty Cycle
C:-Time Cycle
D:-ON Cycle
Correct Answer:-Question Cancelled
Question24:-The Time Period of an Astable Multivibrator is given by the expression
A:T = RC

B:-T = 0.707 RC
:-T = 0.69 RC
D:-T = 1.38 RC

Correct Answer:-Question Cancelled
Question25:-Wien Bridge Oscillator Circuit uses
A:-Negative Feed Back
B:-Positive Feed Back
:-Both Negative and Positive Feed Back
D:-None of the above
Correct Answer:- Option-C
Question26:-The Amplitude of undammed Oscillation
A:-Decreases with time
B:-Increases with time
C:-Constant
D:-Zero
Correct Answer:- Option-C
Question27:-The impedance of the parallel RLC circuit at Resonance is
A:-Maximum
-Minimum
C:-Zero
D:-Equal to DC resistance of the coil
Correct Answer:- Option-A
Question28:-A series resonance circuit used to reject an undesired frequency is known as
A:-Wave guide
B:-Wave trap
C:-Band pass filter