Related Questions

Overmodulation (amplitude) occurs when signal amplitude is ___________ carrier amplitude
A Equal to
B Greater than
C Less than
D None of the above
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?
A 1
B >1
C None of these
When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage
A decreases
B increases
C remains constant
D none of the above
It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to
A f
B $$\frac{1}{{\text{f}}}$$
C $$\frac{1}{{{{\text{f}}^2}}}$$
D f2
The frequency at which maximum amplitude ratio is attained is called the __________ frequency.
A Corner
B Resonant
C Cross-over
D Natural
A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes ___________
A Less than load current
B Zero
C More than load current
D None of the above
The gate voltage in a JFET at which drain current becomes zero is called ___________ voltage
A saturation
B pinch-off
C active
D cut-off
A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current
A Increases
B Remains constant
C Decreases
D Ceases
A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current
A Is increased
B Is decreased
C Does not change
D Momentarily goes to zero
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:
A One-half the primary current
B Same as the primary current
C Twice the primary current
D No more than 10% less than the primary current
E None of the above

Next steps