List of top Questions asked in CUET (UG)

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An alternating voltage V = 140 sin 100 πt is connected across a pure resistor of resistance 40 Ω. What is the rms current through the resistor? (Take √2 = 1.4)

Choose the correct statements from the following:
A. Induced emf opposes any change in the current in a circuit
B. Induced emf in a closed coil can be increased by increasing the number of turns in the coil
C. Varying current in a coil can not induce emf in a neighbouring coil.
D. An LCR circuit has zero impedance at resonant frequency
E. Average power supplied to an inductor over one complete cycle is zero
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What is the self inductance of a solenoid of length 50 cm, if area of cross section is 10 cm² and total number of turns is 600?

In a series LCR circuit an ac voltage source is connected. When inductor is removed from the circuit, the phase difference between the voltage and the current in the circuit is \(\frac{π}{3}\). If capacitor is removed from the circuit instead of inductor, the phase difference is again \(\frac{π}{3}\). What is the power factor of the circuit?

The mutual inductance M₁₂ of coil 1 with respect to coil 2:

Match List I with List II

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If a copper wire carries a direct current, the magnetic field associated with the current would be:

If three cells are connected in parallel as shown in figure, then equivalent emf would be:

A wire is bent as shown in figure is placed in a uniform field B that emerges from the plane of the paper, outward as shown. The magnitude of force on the given wire is :

Which of the following is connected to the coil of the galvanometer, to protect it from possible damages due to large current?

What is the magnetic force acting on a proton (charge +1.6 × 10^-19C) moving at an angle of 30° across a magnetic field of 5.3 x 10³ T at a speed of 3.0 x 10⁵ ms^-1?

A bar magnet when suspended horizontally and perpendicular to earth's field experiences a torque of 3 x 10^-4 Nm. The Magnetic moment of the magnet would be:
(take horizontal component of Earth's magnetic field at the place 0.4 × 10^-4T)

Ferromagnetic material core used for transformer must have

A galvanometer having a resistance of 8Ω is shunted by a wire of resistance 2Ω. If the current is 1 A, the part of it passing through the shunt will be:

The drift speed of electrons in a conductor is estimated to be only a few mm s^-1, But on closing a circuit, how current is established almost instantly in an electric circuit?

Which of the following statements are correct?
A. Electric field lines are always perpendicular to equipotential lines.
B. A zero electric field inside a conducting sphere does not mean that the potential gradient is also zero
C. The resultant of two electric fields is determined by vector addition of the two field strengths
D. If the field lines get closer together at any place, it means that the field strength is decreasing
E. The resultant potential at a point is just the sum of the individual potentials.
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Two wires of copper have lengths L and 2L and cross sectional area 2A and A, respectively. The ratio of their specific resistance would be-

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Three charges 2q, ^-q. ^-q are located at the vertices of an equilateral triangle. At the centroid:

The electric charges are distributed in a small volume. The flux of the electric field through a sphere of radius 10 cm surrounding the total charge is 20 Vm. The flux over a concentric sphere of radius 20 cm will be:

A conducting sphere of radius R is given a charge Q. What is the electric field and the electric potential at the centre of the sphere?

Four identical capacitors each of capacitance C are arranged as shown in the figure. What is the effective capacitance between P and Q?

Match List I with List II

LIST I		LIST II
A	Nihal Chand	I	Mughal School of Painting
B	Basawan	II	Guler School of Painting
C	Nainsukh	III	Bikaner School of Painting
D	Ruknuddin	IV	Kishangarh School of Painting

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Match List I with List II

LIST I		LIST II
A	Pramana	I	Expressions
B	Sadrishym	II	Use of brush and colours
C	Bhava	III	Resemblance
D	Varnikabhanga	IV	Proportion

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Match List I with List II

LIST I		LIST II
A	Standing Woman	I	Jamini Roy
B	Children	II	N.S. Bendre
C	Mother and Child	III	Dhanraj Bhagat
D	Gossip	IV	Somnath Hore

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