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All the hydrogen atoms in Tetramethylsilane are in the same environment, True or False?
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In H nmr the areas under the peak are proportional to the number of environments. True or False?
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A quadret is a type of spin spin splitting, True or False?
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Magnitude of EMF produced in a coil, when a magnet is inserted into it does not depend upon
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A coil wire of a certain radius has 600 turns and a self inductance of 108 mH. The self inductance of a second similar coil of 500 turns will be:
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The ratio of primary and secondary turns in a transformer is 1: 200. If 220 volt a.c. is fed to primary, voltage across secondary will be
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Observa a figura seguinte: Indica quais são as duas situações em que a lâmpada acende quando se fecha o interruptor.
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Um íman colocado junto de um enrolamento de fio produz nele corrente elétrica.
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Um íman móvel em relação a um enrolamento de fio produz nele corrente elétrica.
