(A) Vector Quantity
(B) Scalar Quantity
(C) Fixed Quantity
(D) None of the above
Grid in the Cathode Ray Oscilloscope?
(A) Controls the brightness of spot formed.
(B) Controls number of waves.
(C) Has positive potential with respect to cathode.
(D) None of the above
Function of three anodes in a CRO is?
(A) To focus the electrons only.
(B) To accelerate and focus the electrons.
(C) To accelerate electrons only.
(D) To control the brightness of spot on screen.
Filament in CRO?
(A) Insulators
(B) Conductors
(C) Perfect Conductors
(D) Perfect Insulators
Cathode ray oscilloscope works by deflecting beam of?
(A) Positrons
(B) Protons
(C) Electrons
(D) Neutrons
Velocity of an oscillating charge as it moves to and fro along the wire is?
(A) Zero
(B) Infinite
(C) Constant
(D) Changing
CRO is used for?
(A) Displaying wave form of given variable.
(B) Displaying wave form of given voltage.
(C) Displaying wave form of given frequency.
(D) Converting AC into DC.
In CRO the output wave form of time base generator is?
(A) Saw-Tooth
(B) Square
(C) Circular
(D) None of the above