ravi shanker


{ City } varanasi
< Country > india
* Profession * junior engineer
User No # 51658
Total Questions Posted # 0
Total Answers Posted # 6

Total Answers Posted for My Questions # 0
Total Views for My Questions # 0

Users Marked my Answers as Correct # 20
Users Marked my Answers as Wrong # 14
Questions / { ravi shanker }
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Answers / { ravi shanker }

Question { 21708 }

Which is more dangerous AC current or DC current and why?


Answer

It depends upon how much current is flowing through our body. The amount is current decide the level of danger for human being. Weather it is dc or ac it does not important.

Is This Answer Correct ?    0 Yes 4 No

Question { 3471 }

what is ccd


Answer

It is a transducer which convert intensity of light into charge. It is very popularly used in digital still and video camera. It is also used in astronomy as a infrared sensor.

Is This Answer Correct ?    2 Yes 0 No


Question { L&T, 6319 }

use of scr?


Answer

1. As a rectifier
2. As a dimmer

Is This Answer Correct ?    4 Yes 1 No

Question { 3609 }

what is RTDs in tranducers


Answer

It is a temperature sensor which resistance is change according to the temperature and the instrument which using RTD is calibrated in terms of temperature changes.

Is This Answer Correct ?    4 Yes 1 No

Question { Infosys, 5815 }

When batteries of different voltages are connected in
parallel what happends


Answer

After sometime the voltage of all the battries are same because the batteries which has less voltage draw current from high voltage batteries. In this way low voltage batteries chages itself and high voltage batteries dischage upto that level where voltage level is equal.

Is This Answer Correct ?    7 Yes 1 No

Question { 3394 }

we r saying that low pass rc filter will allow low frequency
components n attenuates the high frequency components..but
at low frequency reactance offer by capacitor is high..it
will act as open circuit..hence there will no output..but
practically we getting output. how?


Answer

At low frequency the reactance offer by capacitor is high. For dc current which frequency is zero reactance offer by capacitor is infinite. so ur statement is wrong about the reactance offer by capacitor at low frequency.

Is This Answer Correct ?    3 Yes 7 No