Cathode Ray Oscilloscope Quiz (Theory)

  are emitted from a heated .

Max voltage = x 2 

                    =   V                               (final answer)

Prevents collision of   with air (molecules).

Electrons reach .

One wave – 1.4 or 3 waves in squares 

    ms.                                                                            (final answer)

The   are attracted to the and repelled by the .

Moves  

(F =) 1 /

    = 1 / 0.00267 

    = Hz                           (final answer)

Half   across

  distance   by time base setting.

The (trace) moves by = 5 / 2 

                                                        = cm.

The   must be

High potential very low gas .

The filament is .
The electrons are by the .

  = 2 divisions

                                           =   V div 

                                           = 2 x

                                           =   V

Electrons are  charged.

1.  Find number of (between points)
2.   the number of   with .

Conventional   flows from   to left.     

  The emission of   from a metal caused by  .

  The   charged anode

The filament   and   emission still takes place.

The   are repelled by the   to the filament,and do not reach the .

(F  =) 1 /

    = 1 / 0.0008 

    = Hz 

T = 0.20 x  

   = ms 

   =                   (final answer)  

It attracts   and gives them .

It heats up the .

  to the light energy.

Otherwise   deviated  by a magnetic .

is applied to the .

Electrons are   the plates.