The e.m.f induced is 2 V when current is changing at the rate of 0.5 A/s. The self-inductance of the coil is:
The e.m.f induced is 2 V when current is changing at the rate of 0.5 A/s. The self-inductance of the coil is:
1). 4
2). 2
3). 1
4). None of these
1 answers
Given that, emf (E) = 2 V
Rate of change of current = 0.5 A/s
We know that, induced emf $(E = L\frac{{di}}{{dt}})$
$(\Rightarrow 2 = L\left( {0.5} \right) \Rightarrow L = 4\;H)$Other Questions
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