List of practice Questions

Pirani gauge operation is based on the following principle:

The transformation ratio in a transformer is (1-primary, 2-secondary, N-turns, E-voltage):

Fractional pitch winding is used in DC machines to:

In a parallel RC circuit, the supply current always \underline{\hspace{2cm}} the applied voltage.

The value of the alternating current which is equal to the DC current that gives the same heating effect over a fixed period of time is called:

“Any linear circuit containing several voltage sources and resistances can be reduced to an equivalent single voltage source and resistance” is according to:

“Any two-terminal active circuit containing voltage sources and resistances, when viewed from its output terminals, is equivalent to a constant current source and an internal resistance.” This represents:

“A linear bilateral network containing several sources... the algebraic sum of the currents or voltages of each individual source considered separately with all others made inoperative” is according to:

If there is a common branch with a voltage source alone between two meshes, then the combination is called:

Voltage across a short circuit is:

Which of the following laws states that “Algebraic sum of the currents at a node is zero”?

Internal resistance of an ideal voltage source is:

"Whenever magnetic flux linked with a closed coil changes, an induced emf is setup in the coil and lasts as long as the change in magnetic flux continues." This is:

The mechanical force per unit charge at a given point is called:

The energy stored in a capacitor \( C \) when a voltage \( V \) exists across it is:

The probability of getting a total of 5 at least once in three tosses of a pair of fair dice is:

If \( \dfrac{dy}{dx} = xy + y^2 \), \( y(0) = 1 \), and \( h = 0.1 \), then the value of \( y(0.1) \) using Euler’s method is:

Which of the following functions is not analytic?

The partial differential equation obtained by eliminating the constants \(a\) and \(b\) from \[ z = (x - a)^2 + (y - b)^2 \] is:

The point bars which form in the concave side of meanders of large rivers consist of:

Indian Ocean basin surface water salinity varies between:

Size of the landform on the surface of the Earth is:

An elongated sandy deposit that extends out into open water in the direction of a longshore current is called:

In which of the following stages of a river are meanders formed commonly?