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In 1845, the late blight of potato destroyed the potato crop of Ireland was caused by
The transfer function of a discrete time LTI system is given by
$$H\left( z \right) = {{2 - {3 \over 4}{z^{ - 1}}} \over {1 - {3 \over 4}{z^{ - 1}} + {1 \over 8}{z^{ - 2}}}}$$
Consider the following statements:
S1 : The system is stable and causal for
$$ROC:\left| z \right| > {1 \over 2}$$
S2 : The system is stable but not causal for
$$ROC:\left| z \right| S3 : The system is neither stable nor causal for
$$ROC:{1 \over 4} Which one of the following statements is valid?
What is the causal organism of the disease 'fire blight of apple'?
আলুর বিলম্বিত ধ্বসা রোগ (Late blight of potato) হয় কোন ছত্রাক দ্বারা?
Late blight of potato is caused by
Name the causative agent of late blight of potato.
In 1883 late blight of potato was inadvertently introduced in India from
Late blight of potato turned into an epidemic in which year?
Late blight of potato first appears mostly in the month of
The maximum temperature which is favourable for the appearance of late blight of potato is