Related Questions

In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode.
A accelerates
B decelerates
C any of the above
D none of the above
তড়িৎ রাসায়নিক কোষের emf = ?i. E° Anode(ox) + E°Cathode (Red) 11. E Cathode(Red) - E°Anode (Red) 111. E° Anode(ox) - E°Cathode (Red) নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as
A maximum grid voltage
B critical grid voltage
C any of the above
D none of the above
In phase-shift control method the control is carried out by varying the of grid voltage.
A magnitude
B polarity
C phase
D any of the above
E none of the above
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode
A Occurs higher in the electro-chemical series of metals
B Is exemplified by magnesium plate
C Is much cheaper than the cathodic base material to be guarded against corrosion
D All of the above
A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.
A light, eight, clock
B right, eight, clock
C bits, one, register
D bits, one, clock
E None of the above
The phase difference between the input and output voltages in a common base arrangement is ___________
A 180°
B 90°
C 270°
D 0°
The phase difference between the input and output voltages of a transistor connected in common collector arrangement is ___________
A 0°
B 90°
C 180°
D 270°
The phase difference between the output and input voltages of a CE amplifier is ___________
A 180°
B 0°
C 90°
D 270°

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