The time-base of a CRO is _ waveform

Q. The time-base of a CRO is _ waveform

A

Sawtooth

B

Sine

C

Square

D

Rectangular

Solution:

Time base circuit uses a uni junction transistor, which is used to produce the sweep.
The saw tooth voltage produced by the time base circuit is required to deflect the beam in the horizontal section.
The spot is deflected by the saw tooth voltage at a constant time dependent rate.

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