Question
Alternating current is converted into direct current by
a –Solution
A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification.
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Reason (R): Competitiv...
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Which of the following is a characteristic of summative assessment?
What is the use of text book in a class?
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To make learning effective, a goal must be meaningful in terms ______ ?
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(a) It is used for passing judgement on the child
(b) It has to be ...
Assertion (A): State board examinations are not conducted simultaneously across India.
Reason (R): Different states have varying syllabi and exam...
Having variety of question sets in a question paper increases it __________
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