List of top Questions asked in CUET (UG)

The statement that is NOT true about induced emf is:

Following are the wavelength of some constituents of the electromagnetic spectrum. The wavelength range that are used in Radar system for Aircraft navigation is:
(A) 1 mm to 700 nm
(B) 0.1 m to 1 mm
(C) 400 nm to 1 nm
(D) < 10-3 nm
(E) > 1m
Choose the correct answer from the options given below:

An emf of 0.5 V is developed in the secondary coil, when current in primary coil changes from 5.0 A to 2.0 A in 300 milliseconds. The mutual inductance of two coils would be:

A charge of 5 μC moves with a speed of $2 \times 10^6$ m/s along the positive y-axis. A magnetic field $\vec{B}$ of strength ($2\hat{i}+ \hat{k}$)T exists in space. The magnetic force acting on the charge is :

The susceptibility ($X_m$) and permeability (μ) of a perfectly diamagnetic substance are:

Ferro-magnetic materials used in transformer core must have:

The circuits where transformers are used:

Match List I with List II

	LIST I		LIST II
A.	Magnetic dipole moment	I.	Weber/$m^2$
B.	Magnetic permeability	II.	Am (Ampere m)
C.	Pole strength	III.	Henry/m
D.	Magnetic flux density	IV.	$Am^2$ (Ampere $m^2$)

Choose the correct answer from the options given below:

For a long wire carrying a current of 10 A, the magnitude of magnetic field at a point 4 cm away from it will be:

At a place, the horizontal component of earth's magnetic field is $4 \times 10^{-4}T$ and angle of dip is 60°. The value of horizontal component of earth's magnetic field at the equator is :

Ten capacitors each of 2 µF capacity were arranged in two rows such that first row contains 6 capacitors in series where as the rest were in second row. The equivalent capacitance of the network is:

Two charges 5 µC and -2 µC (with no external field) are placed at (-9 cm, 0, 0) and (9 cm, 0, 0) respectively. The work required to separate the two charges infinitely away from each other is :

Which of the following statement is correct for a potentiometer ?

Six equal resistances are connected between points P, Q and R as shown in the figure. The net resistance will be maximum between:

Match List I with List II

Choose the correct answer from the options given below:

An infinite line charge produces an electric field of 9 × 10⁶ N/C at a distance of 20 cm. The linear charge density will be :

A bulb of 100 W glows for 6 hours a day. The units of energy consumed in 7 days would be :

The capacitance of capacitor increases when :
(A) its charge increases
(B) its supply voltage decreases
(C) common area of the plates increases
(D) separation between the plates decreases
Choose the correct answer

A spherical conducting shell of inner radius r₁ and outer radius r₂ has a charge Q. A charge q is placed at the centre of the shell. The surface charge density on outer surface of the shell is:

Two point charges +4µC and -2µC are placed at a certain distance in air. They experience an attractive force F. If they are brought in contact with each other and then separated to the same distance, the new repulsive force between them will be :

The potential of a uniformly charged spherical shell at a point r/2 from its centre is 5 V. The potential at its surface is:
(Given radius of shell = r)

Match List - I with List - II.

List - I	List -II
(A) Institution that accept public deposits	(I) Issuance of currency notes
(B) The central Bank of India	(II) Acceptance of deposit from public
(C) Function of a Central bank	(III) Reserve bank of India
(D)  Function of Commercial bank	(IV) Commercial bank

Choose the correct answer from the options given below:

Based on the following diagram answer the question:

The gap E'F in the diagram indicate

Based on the following diagram answer the question:

Given initial investment is ₹ 200 crores and MPC=0.8. If autonomous investment increases by ₹ 50 crores, the income will increase by  ₹ ________ crores.

Based on the following diagram answer the question:

Identify the correct statement from the following statements :