0 × 10–5 × (p ×10–2) × cos 0°
= 3p × 10–7 Wb
Final flux after the rotation,
FB (final)    = 3 0 × 10–5 × (p ×10–2) × cos 180°
= –3p × 10–7 Wb
Therefore, estimated value of the induced emf is,
N
Φt
ε
∆
=
∆
   = 500 × (6p × 10–7)/0 25
   = 3 8  × 10–3  V
I = e/R = 1