jc


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Questions / { jc }
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Answers / { jc }

Question { HCL, 10078 }

if a crow sit on on current wire it will not fell current
but a man touch it he get shock . why/


Answer

When a man touches a wire , their is path for current to flow to earth surface.

Earth surface is assumed to b of Zero potential , bcoz of its area.

Whereas , when a crow touches wire , their is no flowing path since flowing current doesn't get a lower potential i.e. ground or -ve potential.

Is This Answer Correct ?    6 Yes 2 No

Question { ABC, 7408 }

what is the basic difference between latches and flip flops


Answer

@sahil ... latches too need clock , its just that pin name is "enable" ...

Is This Answer Correct ?    2 Yes 1 No


Question { Intel, 4451 }

the two inputs to and gate are 4V and 5V.if threshold
voltage is 0.5V.then what is output of and gate?if input
voltage is reduced to 0.52V each,then what will be output?


Answer

If two input voltages r same , then they r taken as "High" i.e. 1 , irrespective of their polarity. But if voltages are different , then more positive voltage among both input voltage will b taken as 1 n other as 0 , so output would b zero.

Is This Answer Correct ?    3 Yes 6 No