The v-i relation for an arc is v = 44 + . If v = 50 V, i =

More Questions from Materials and Components

• Assertion (A): Electronic polarizability increases as atoms becomes larger. Reason (R): For rare gas, ∈0(∈r - 1) E = Nae, where N is number of atoms/m3 and ae is electronic polarizability of material.
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• Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied.
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