Question
In half wave rectification, if the input frequency is $60\,Hz$, then the output frequency would be$\dots\dots\dots\,Hz$

Answer

b
In half wave rectification

$f_{\text {in }}=f_{\text {out }}$

$\Rightarrow f_{\text {out }}=60 Hz$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A transformer has $100\, turns$ in the primary coil and carries $8\,A$ current. If input  power  is one kilowatt, the number of turns in the secondary coil to have $500\,V$ output will  be
There exists a uniform electric field $E=4 \times 10^5 \,Vm ^{-1}$ directed along negative $x$-axis such that electric potential at origin is zero. Acharge of $-200 \,\mu C$ is placed at origin, and a charge of $+200 \,\mu C$ is placed at $(3 \,m , 0)$. The electrostatic potential energy of the system is ...........$J$
A particle of mass $ 0.3 \,kg$ is subjected to a force $F = - kx$ with $k = 15\,N/m.$ What will be its initial acceleration if it is released from a point $20 \,cm$ away from the origin .......... $m/s^2$
A plano-convex lens of refractive index $1.5$ and radius of curvature $30 \;cm$ is silvered at the curved surface. Now this lens has been used to form the image of an object. At what distance from this lens an object be placed in order to have a real image of the size of the object?
Wires ${W}_{1}$ and ${W}_{2}$ are made of same material having the breaking stress of $1.25 \times 10^{9} \,{N} / {m}^{2}$ ${W}_{1}$ and ${W}_{2}$ have cross-sectional area of $8 \times 10^{-7}\, {m}^{2}$ and $4 \times 10^{-7}\, {m}^{2}$, respectively. Masses of $20 \,{kg}$ and $10\, {kg}$ hang from them as shown in the figure. The maximum mass that can be placed in the pan without breaking the wires is $.....{kg}$ (Use $\left.{g}=10\, {m} / {s}^{2}\right)$
The diagram to the right shows the lowest four energy levels for an electron in $a$ hypothetical atom. The electron is excited to the $-1\, eV$ level of the atom and transitions to the lowest energy state by emitting only two photons. Which of the following energies could not belong to either of the photons? ......... $eV$
$14 \times {10^{15}}$ electrons reach the anode per second. If the power consumed is $448$  milliwatts, then the plate (anode) voltage is....$V$
A particle of mass $1\,kg$ is moving along $x-$ axis, where its velocity depends on $x-$ coordinate as $v = 2\sqrt x \,(m/s)$. Find the net force acting on the particle $2\,second$ after the start of motion ............ $N$
The amplification factor of a triode is $18$ and its plate resistance is $8 ×10^{3}$. A load resistance of $10^{4} \Omega$ is connected in the plate circuit. The voltage gain will be
The maximum percentage errors in the measurement of mass (M), radius (R) and angular velocity $(\omega)$ of a ring are $2 \%, 1 \%$ and $1 \%$ respectively, then find the maximum percenta? error in the measurement of its moment of inertia $\left(I=\frac{1}{2} M R^{2}\right)$ about its geometric axis.