Competishun Header

Report Issue

JEE MAIN 2021
31-08-2021 S1
Question
Statement-I:
To get a steady dc output from the pulsating voltage received from a full wave rectifier we can connect a capacitor across the output parallel to the load $\mathrm{R}_{\mathrm{L}}$.
Statement-II :
To get a steady dc output from the pulsating voltage received from a full wave rectifier we can connect an inductor in series with $\mathrm{R}_{\mathrm{L}}$.
In the light of the above statements, choose the most appropriate answer from the options given below :
Select the correct option:
A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are false
D
Both Statement I and Statement II are true
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
To convert pulsating dc into steady dc both of mentioned method are correct.
Question Tags
JEE Main
Physics
Medium
Start Preparing for JEE with Competishun
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
QJEE Main 20242024
The number of real solutions of the equation $x|x+5|+2|x+7|-2=0$ is $\_\_\_\_$ .
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let a line perpendicular to the line $2 x-y=10$ touch the parabola $y^2=4(x-9)$ at the point $P$. The distance of...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let the maximum and minimum values of $\left(\sqrt{8 x-x^2-12}-4\right)^2+(x-7)^2, x \in R$ be $M$ and $m$ respectively. Then $\mathrm{M}^2-\mathrm{m}^2$ is...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let a>0 be a root of the equation $2 \mathrm{x}^2+\mathrm{x}-2=0$. If $\lim _{x \rightarrow \frac{1}{a}} \frac{16\left(1-\cos \left(2+x-2 x^2\right)\right)}{\left(1-a x^2\right)}=\alpha+\beta \sqrt{17}$,...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
If $1+\frac{\sqrt{3}-\sqrt{2}}{2 \sqrt{3}}+\frac{5-2 \sqrt{6}}{18}+\frac{9 \sqrt{3}-11 \sqrt{2}}{36 \sqrt{3}}+\frac{49-20 \sqrt{6}}{180}+\cdots$. upto $\infty=2\left(\sqrt{\frac{b}{a}}+1\right) \log _e\left(\frac{a}{b}\right)$, where a and b are integers with $...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let the point $(-1, \alpha, \beta)$ lie on the line of the shortest distance between the lines $\frac{x+2}{-3}=\frac{y-2}{4}=\frac{z-5}{2}$ and $\frac{x+2}{-1}=\frac{y+6}{2}=\frac{z-1}{0}$....
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
The number of solutions of $\sin ^2 x+\left(2+2 x-x^2\right) \sin x-3(x-1)^2=0$, where $-\pi \leq \mathrm{x} \leq \pi$, is $\_\_\_\_$ .
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let $y=y(x)$ be the solution of the differential equation $\frac{d y}{d x}+\frac{2 x}{\left(1+x^2\right)^2} y=x e^{\frac{1}{\left(1+x^2\right)}} ; y(0)=0$. Then the area...
JEE MainChemistryEasy
View Solution
QJEE Main 20242024
If $y(\theta)=\frac{2 \cos \theta+\cos 2 \theta}{\cos 3 \theta+4 \cos 2 \theta+5 \cos \theta+2}$, then at $\theta=\frac{\pi}{2}, y^{\prime \prime}+y^{\prime}+y$ is equal...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let $\alpha \beta \neq 0$ and $...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let $\beta(m, n)=\int_0^1 x^{m-1}(1-x)^{n-1} d x, m, n>0$. If $\int_0^1\left(1-x^{10}\right)^{20} d x=a \times \beta(b, c)$, then $100(a+b+x)$ equals
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let ABCD and AEFG be squares of side 4 and 2 units, respectively. The point E is on the line...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
The coefficients $a, b, c$ in the quadratic equation $a x^2+b x+c=0$ are from the set $\{1,2,3,4,5,6\}$. If the probability...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
The values of $m, n$, for which the system of equations
$...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let the set $S=\{2,4,8,16, \ldots, 512\}$ be partitioned into 3 sets $\mathrm{A}, \mathrm{B}, \mathrm{C}$ with equal number of elements such...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let the circle $C_1: x^2+y^2-2(x+y)+1=0$ and $C_2$ be a circle having centre at $(-1,0)$ and radius 2 . If the...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
Let $f, \mathrm{~g}: \mathrm{R} \rightarrow \mathrm{R}$ be defined as : $f(\mathrm{x})=|\mathrm{x}-1|$ and $...
JEE MainMathematicsEasy
View Solution
QJEE Main 20242024
If the constant term in the expansion of $\left(\frac{\sqrt[5]{3}}{x}+\frac{2 x}{\sqrt[3]{5}}\right)^{12}, x \neq 0$, is $\alpha \times 2^8 \times \sqrt[5]{3}$, then...
JEE MainMathematicsEasy
View Solution
Check this project | Best Developer Portfolio