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Chapter Three CURRENT ELECTRICITY
Current per unit area (taken normal to the current), I/A, is called current density and is denoted by j. The SI units of the current density are A/m2. Further , if E is the magnitude of unifor m electric field in the conductor whose length is l, then the potential difference V across its ends is El. Using these, the last equation reads GEORG ...
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www.ncert.nic.in317 Alcohols, Phenols and Ethers Allylic and benzylic alcohols may be primary, secondary or tertiary. (ii) Compounds containing C OHsp2 − bond: These alcohols contain —OH group bonded to a carbon-carbon double bond i.e., to a
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