An ideal diode is connected in a circuit with resistance $R = 50\ \Omega$ and battery $V = 10\ V$ as shown in the figure. What are the maximum and minimum values of the output voltage when no load is applied?

  • A
    $10\ V, -25\ V$
  • B
    $10\ V, -15\ V$
  • C
    $25\ V, -25\ V$
  • D
    $25\ V, -15\ V$

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In a half-wave rectifier using a $PN$ junction diode,the input voltage has an amplitude of $25 \ V$ and a frequency of $50 \ Hz$. No filter is used,and the load resistance is $1000 \ \Omega$. The forward resistance of the diode is $10 \ \Omega$. The ripple factor is:

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$A$ diode is connected to $220 \, V$ $(rms)$ $ac$ in series with a capacitor as shown in the figure. The voltage across the capacitor is..... $V$

Which of the following figures represents a half-wave rectifier?

Match List-$I$ with List-$II$:
List-$I$List-$II$
$(a)$ Rectifier$(i)$ Used for stepping up or stepping down the $\text{A.C.}$ voltage
$(b)$ Stabilizer$(ii)$ Used to convert $\text{A.C.}$ voltage into $\text{D.C.}$ voltage
$(c)$ Transformer$(iii)$ Used to remove any ripple in the rectified output voltage
$(d)$ Filter$(iv)$ Used for constant output voltage

If the maximum efficiency of a full wave rectifier is $x \%$ and that of a half wave rectifier is $y \%$,then the relation between $x$ and $y$ is

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