# The low frequency gain of the low pass filter shown in the given figure is

1.  10 dB

2.  20 dB

3.  30 dB

4.  40 dB

4

40 dB

Explanation :
No Explanation available for this question

# A periodic rectangular signal x(t) has the wave from shown in the figure. Frequency of the fifth harmonic of its spectrum is.

1.  40 Hz

2.  200 Hz

3.  250 Hz

4.  1250 Hz

4

1250 Hz

Explanation :
No Explanation available for this question

# In the circuit shown in the figure X is an element which always absorbs power during a particular operation it sets up a current of 1 amp in the possible that X can absorb the same power Px for another current I. the value of this current is .

1.  (3-) amps

2.  (3+) amps

3.  5 amps

4.  none of these

4

none of these

Explanation :
No Explanation available for this question

# What is the hysteresis voltage of the submit trigger shown if Vsat =  10 V

1.  1.90 volts

2.  1.45 volts

3.  1.00 volts

4.  0.90 volts

4

1.00 volts

Explanation :
No Explanation available for this question

# Straight line asymptotic Bode magnitude plot for a certain system is shown in the given figure. What will be its transfer function

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# A water boiler of home is switched on to the a. c. mains supplying power at 230 v/50 Hz. The frequency of instantaneous power consumed by the boiler is.

1.  0 Hz

2.  50 Hz

3.  100 Hz

4.  150 Hz

4

100 Hz

Explanation :
No Explanation available for this question

# Inside a hollow conducting sphere, electric field.

1.  is zero

2.  is an non-zero

3.  changes with the magnitude of the charge given to the conductor

4.  changes with distance from the centre of the sphere

4

is zero

Explanation :
No Explanation available for this question

# In the circuit shown in the given figure, assume that the capacitor C is almost shorted for the frequency range of interest of the input signal. Under this condition, the voltage gain of the amplifier will be approximately

1.  0.33

2.  0.5

3.  0.66

4.  1

4

1

Explanation :
No Explanation available for this question

# If V, W, q stand voltage, energy and charge, then v can be expressed as.

1.  V= dq/Dw

2.  v = Dw/ dq

3.  Dv= Dw/ dq

4.  Dv = dq/Dw

4

v = Dw/ dq

Explanation :
No Explanation available for this question

1.  0.015 Joule

2.  0.15 Joule

3.  0.5 Joule

4.  1.15 Joule

4