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Draw the circuit diagram for bridge rectifier. Explain it and deriv equations for Idc3, Irms, Vdc and ?.
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(i) IDC=1ππ0Imsinθdθ=Imπ[cosθ]π0=2Imπ

(ii) Similarly, VDC=2Vmπ

(iii) I2rms=[1ππ0I2msin2θdθ]

=1π.I2mπ01cos2θ2.dθ=1πI2m[θsin2θ2]0π=I2m2π.[π0]=I2m2Irms=Im2

(iv) $\eta= \dfrac{P_{DC}}{P_{AC}}=\dfrac{I_{DC}^2 \times R_L}{I_{rms}^2 \times (R_L+R_D)} = \dfrac{(2I_m/\pi)^2 \times R_L}{I_{m}^2/2 …

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