List of practice Questions

The amplitude of EMG signals depend upon which of the following factor?
The external interrupts of 8051 microcontroller are
A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 V. What is the analog output for the input code 0101?
Determine the output frequency of a frequency division circuit which contains 12 flip-flops with an input clock frequency of 20.48 MHz.
An amplifier has an open loop voltage gain of -500. This gain is reduced to -100 when negative feedback is applied. The reverse transmission factor, \( \beta \), of the system is
The equation $x^4 - x - 10 = 0$ is to be solved using the Newton-Raphson method. If $x = 2$ is taken as the initial approximation of the equation, then the next approximation of the solution is
For two events A and B, let $P(A)=\frac{1}{3}$, $P(B)=\frac{1}{4}$ and $P(A \cup B)=\frac{1}{2}$ then $P(A/B)$ is
A biased coin was thrown 300 times and the tail turned up 120 times, then the standard error of the observed proportion of tails is
The rank of the matrix A = $ \begin{bmatrix} 1 & 3 & 4 & 3 \\ 3 & 9 & 12 & 9 \\ -1 & -3 & -4 & -3 \end{bmatrix} $ is
If $u = \frac{x+y}{x-y}$ and $v = \frac{xy}{(x-y)^2}$ are functionally dependent, then the relation between $u$ & $v$ is
If $f(x) = \begin{cases} -\pi, & \text{in } -\pi<x<0 \\ x, & \text{in } 0<x<\pi \end{cases}$ then the constant term of the Fourier series is
If 60\(\%\) of students in a class are female, and 40\(\%\) of the females wear glasses, what percentage of the class wears glasses?
A charge is kept at the central point \( P \) of a cylindrical region. The two edges subtend a half-angle \(\theta\) at \( P \), as shown in the figure. When \(\theta = 30^\circ\), then the electric flux through the curved surface of the cylinder is \(\Phi\). If \(\theta = 60^\circ\), then the electric flux through the curved surface becomes \(\frac{\Phi}{\sqrt{n}}\), where the value of \(n\) is \_\_\_\_. \includegraphics[width=0.3\linewidth]{ph8.png}
Tetracycline undergoes epimerization at C4 between pH 4-8 to give:
5-Fluorouracil, an anti-metabolite used in cancer treatment, is activated to:
When 25 is subtracted from 50% of a number, the result is 25. Find the number.
If \( (\alpha, \beta, \gamma) \) are the direction cosines of an angular bisector of two lines whose direction ratios are (2,2,1) and (2,-1,-2), then \( (\alpha + \beta + \gamma)^2 \) is:
Find the general solution of the differential equation \( ( \sin y \cos^2 y - x \sec^2 y ) dy = (\tan y) dx \).
Let the two variables $ x $ and $ y $ satisfy the following conditions: \[ x + y \leq 50, \quad x + 2y \leq 80, \quad 2x + y \geq 20, \quad x, y \geq 0. \] Then the maximum value of $ Z = 4x + 3y $ is:
The Information Technology Act came into operation on ..........
Private International Law is also called as .........
Dishonour of a cheque is an offence punishable under ........
In which year did the Supreme Court of India give the verdict on the Ayodhya dispute?
Which statement is correct regarding 42nd Amendment of the Indian Constitution?
Headquarters of the World Intellectual Property Organization (WIPO) is located at ______