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2 years ago

A vacuum tube that contains a grid can be classified as a A. rectifier B. triode C. pentode D. diode

Computers and Technology

1 answer:

Sedaia [141]2 years ago

7 0

Answer:

The correct answer is triode.

Explanation:

A vacuum tube is a device that control the flow of electric current between its electrodes in the presence of vacuum. The first vacuum tube which was used have two electrodes and called diode. Then another vacuum tube was invented having a grid between its two electrodes anode and cathode. So, that grid control the flow of electric current between these two electrodes. So, this tube named as triode named as it have one grid and anode and cathode. Other tubes which have more than one grid called according to there number of electrodes totally like tetrode, pentode.

I hope it will help you!

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Answer:

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Explanation:

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3 years ago

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Ivanshal [37]

Answer:

def ending_time(hour, minutes, seconds, work_time):
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minutes = minutes + (seconds + work_time) // 60
seconds = (seconds + work_time) % 60
if(minutes // 60 > 0):
hour = hour + (minutes // 60)
minutes = minutes % 60
else:
seconds = seconds + work_time
return str(hour) + ":" + str(minutes) + ":" + str(seconds)
print(ending_time(2,30,59, 12000))

Explanation:

The solution code is written in Python 3.

Firstly create a function ending_time that takes the four required input parameters.

Next, create an if statement to check if the numerator of (seconds + work_times) divided by 60 is over zero. If so, increment the minute and reassign the remainder of the seconds to the variable (Line 2-4).

Next, create another if statement again to check if the numerator of (current minutes) divided by 60 is over zero, if so increment the hour and reassign the remainder of the minutes to the variable (Line 6-8)

Otherwise, just simply add the work_time to the current seconds

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2 years ago