JEE Main Physics Test- 5 Free Online Test 2026
MCQ Practice Test & Solutions: JEE Main Physics Test- 5 (25 Questions)
You can prepare effectively for JEE Mock Tests for JEE Main and Advanced 2026 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "JEE Main Physics Test- 5". These 25 questions have been designed by the experts with the latest curriculum of JEE 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 60 minutes
- - Number of Questions: 25
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An electron moving with kinetic energy 6.6 * 10-14J enters a magnetic field 4 * 10-3T at right angle to it.The radius of its circular path will be nearest to
A closely wound flat circular coil of 25 turns of wire has diameter of 10 cm which carries current of 4 A, the flux density at the centre of a coil will be
Detailed Solution: Question 2
= 12.56G or 1.25 * 10-3T 
An electron is travelling along the x-direction. It encounters a magnetic field in the y-direction. Its subsequent motion will be
Detailed Solution: Question 3
The magnetic field due to a straight conductor of uniform cross-section of radius a and carrying a steady current is represented by
A cyclotron is operating at a frequency of 12 * 106 Hz. Mass of deuteron is 3.3 * 10-27 kg and charge on deuteron is 1.6 * 10-19 induction of the neccessary magnetic field is
The strength of the transverse magnetic field required to bend photoelectrons of maximum kinetic energy with in a circle of radius 50 cm when light of wavelength 4000Å is incident on barium emitter is (work function of barium is 2.5 eV)
Detailed Solution: Question 6
Also the magnetic force 
On equating.
The semicircular portion (radius R) of a wire carrying current i is placed in a uniform magnetic field B. The magnetic field is perpendicular to the plane of the circle. The magnetic of the force on the wire is 
A & B are two concentric circular conductors of centre O and carrying currents 
and 
as shown in the diagram. If the ratio of their radii is 1:2 and ratio of the flux densities at O due to A and B is 1:3, then the value of 
will be 
and as shown in the diagram. If the ratio of their radii is 1:2 and ratio of the flux densities at O due to A and B is 1:3, then the value of will be Detailed Solution: Question 9
The direction of the null points is on the equation line of a bar magnet, when the north pole of the magnet is pointing
Two magnets each of magnetic moment M are placed so as to form a cross at right angles to each other. The magnetic moment of the system will be
At a certain place, the horizontal component of earth’s magnetic field is 
times of its vertical component. the angle of dip at that place is
times of its vertical component. the angle of dip at that place is A magnet makes 30 oscillations per minute in the earth’s magnetic field. If the magnetic field is doubled. The period of oscillation of magnet is
Detailed Solution: Question 13
A moving conductor coil produces an induced emf. This is in accordance with
The varying current in a coil changes from 10 A to zero in 0.5 s. If the average emf induced in the coil is 220 V, then the self-inductance of the coil will be
Detailed Solution: Question 15
Two circular coils can be arranged in any of the three situations shown in the figure. Their mutual inductance will be 
In the circuit shown in the figure, what is the value of 
just after pressing the key K?
just after pressing the key K?A uniform but time-varying magnetic field B(t) exists in a cylindrical region of radius a and is directed into the plane of the paper, as shown. The magnitude of the induced electric field at point P at a distance r from the centre of the circular region 
Detailed Solution: Question 18
A device for generating and alternating current of a desired frequency is known as
In an AC circuit containing only capacitance, the current
A long solenoid has 100 turns/meter and a current of 3.5 A is flowing through it. If it is filled with material of relative permeability (μr = 20) then magnetic field within the solenoid will be xπ × 10–4, find x?
Detailed Solution: Question 21
A bar magnet is freely suspended in such a way that, when it oscillates in the horizontal plane. It makes 20 oscillations per minute at a place, where dip angle is 30° and 15 oscillations per minute at a place, where dip angle is 60°. Ratio of total earth's magnetic field at these two places is x : 9√3, find x :-
Detailed Solution: Question 22
A square loop ABCD carrying a current i, is placed near and coplanar with a long straight conductor XY carrying a current i, the net force on the loop will be 
Find the value of k.
Find the value of k.Detailed Solution: Question 23
A square metal wire loop of side 10 cm and resistance 1Ω moved with a constant velocity v in a uniform magnetic field B = 2T as shown in figure. The magnetic field is perpendicular to the plane of the loop and directed into the paper. The loop is connected to a network of resistors, each equal to 3Ω. What should be the speed of the loop in m/s so as to have a steady current of 1mA in the loop?
Detailed Solution: Question 24
An AC source of angular frequency ω is fed across a resistor R and a capacitor C in series. The current registered is I. If now the frequency of source is changed to ω/3 (but maintaining the same voltage), the current in the circuit is found to be halved. The ratio of reactance to resistance at the original frequency ω is 
then find the value of x.
then find the value of x.Detailed Solution: Question 25
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