List of practice Questions

The output \( Q_{n+1} \) of a JK flip-flop for the input \( J = 1, K = 1 \) is:
The Gutenberg discontinuity is located at:
The combinational circuit shown uses a 4x1 multiplexer. The output \( Q \) of the circuit is:
combinational circuit
Which of the following physical properties of the Earth's mantle controls the transmission of geomagnetic signals from the core to the surface?
The expression \( a = \overline{AB} \) is equal to:
The Earth's circumference is nearly:
The minimal sum of products form of \( f = \overline{A}BCD + \overline{A}BCD + BCD + \overline{A}BC \) is:
The most commonly available minerals in the oceanic crust are:
Which of the following minerals is a weak magnetic mineral?
The geomagnetic field present on the Earth protects our planet from:
For the RC circuit shown, the condition for obtaining \( \left|\frac{V_0}{V_{\text{in}}}\right| = \frac{1}{3} \) at frequency \( \omega \) rad/sec is:
RC circuit
The OPAMP shown in the figure is:
High pass filter with gain = 2
Match amplifier class with its conduction cycle:
The point on the orbital of the Earth which is nearest to the Sun is called:
\(x, y, z\) are in A.P. with common difference \(d\). If the rank of the matrix \[ A = \begin{bmatrix} 4 & 5 & x \\ 5 & 6 & y \\ 6 & k & z \end{bmatrix} \] is 2, then:
The unit of acceleration due to gravity in Newtons (N) and kilograms (kg) is:
A Class B push-pull complementary symmetry amplifier uses:
The potential difference between the input terminals of an op-amp can be treated as nearly zero if:
Gravitational potential is defined as:
How many degrees of longitude does each time zone cover?
The angle of inclination of the axis of rotation of Earth is:
The Earth’s equatorial and polar radius respectively are:
Which of the following is the ISO standard for water quality?
Which of the following is not an assumption of Theis equation?
An earthquake with a hypocenter depth exceeding 300 km is known as: