The rising and falling edges of a pulse waveform contain the higher frequency component.

The flat portions of a pulse waveform contain low-frequency components.

A

True

B

False

If a periodic pulse waveform has a pulse width and the time between pulses each equal to or greater than five time constants, the capacitor will

A

Partially charge and fully discharge during each period of the input waveform

B

Fully charge and partially discharge during each period of the input waveform

C

Fully charge and fully discharge during each period of the input waveform

D

Partially charge and partially discharge during each period of the input waveform

A dc component is the peak value of a pulse waveform.

A

True

B

False

When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ___________.

A

Rectangular

B

Sinusoidal

C

Sawtooth

D

Square

Go and catch the falling star. Here the ‘‘falling’’ is

A

an adverb

B

a preposition

C

an adjective

D

a verb

The rise time of a pulse waveform is the time required for the voltage to rise:

A

from zero to its rms value

B

from zero to its peak value

C

from 10% of the peak value to 70.7% of the peak value

D

from 10% of the peak value to 90% of the peak value

E

None of the above

With an RL integrator, at the instant of the rising pulse edge,

A

All the input voltage is across the resistor

B

All the input voltage is across the inductor

C

63 percent of the input voltage is across the resistor

D

63 percent of the input voltage is across the inductor

Duty cycle is the characteristic of a pulse waveform that indicates the high time versus the low time.

A

True

B

False

The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to

A

Reduce the spurious frequency problem

B

Increase the frequency stability of the synthesizer

C

Reduce the number of decades

D

Reduce the number of crystals required

A reduction of 21% in the price of pulse enables a person to by 10.5 kg more for Tk. 100. How much is reduced per kg of pulse?

A

Tk 2.50

B

Tk 2.25

C

Tk 2

D

Tk 2.30

The rising and falling edges of a pulse waveform contain the higher frequency component.

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