Assertion/Reasoning
1. Assertion: A quantity adopted as a standard of measurement of a physical quantity is
Called unit.
Reason: Some units of measurement are Metre, Kilogram, Hour.
2. Assertion: A child on a swing is in periodic motion.
Reason: A swing is in rectilinear motion.
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Explanation:
A Full Wave Rectifier is a circuit, which converts an ac voltage into a pulsating dc voltage using both half cycles of the applied ac voltage. It uses two diodes of which one conducts during one half cycle while the other conducts during the other half cycle of the applied ac voltage.
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An ecosystem (also called as environment) is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical (abiotic) factors of the environment
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