JAC 12th Model Paper 2022 Physics Live Test-[Set-4]

JAC 12th model paper 2022 physics Live Test Set-4 All Students need to attend these test


JAC 12th Model Paper 2022 answer sheet( If You Want To Collect answer sheet then give a test and write the correct answer)

झारखंड बोर्ड(JAC Board) एंटर(inter) कक्षा 12वीं Physics 4th सेट का यहां पर उत्तर सहित आप लाइव अपना परीक्षा दे सकते हैं यानी कि आप यहां पर लाइव टेस्ट(Live Test) दे सकते हैं कि आपने कितनी तैयारी की है आप अगर इसी तरह के प्रश्न आपसे बोर्ड परीक्षा(JAC 12th Model Paper 2022 Answer Sheet Physics Live test) पहुंच जाता तब कितना आंसर सही सही दे पाओगे और आपको यहां पर आपका परसेंटेज भी दिखा देगा कि आपने कितना परसेंटेज लाया है उम्मीद करता हूं कि यह टेस्ट आप लोग का बहुत मदद करेगा आपके परीक्षा में आपकी मदद करेगा क्योंकि आप यहां अपने बोर्ड परीक्षा के लिए तैयारी कर सकते हो।
धीरे-धीरे करके सभी मॉडल प्रश्नों का उत्तर सहित आपसे इसी तरह का लाइव टेस्ट आप दे पाओगे आप रोज का एक सेट का यहां पर आपको आंसर मिलेगा और आप यहां पर अपना लाइफ टेस्ट दे सकोगे।

आप इसके बारे में अपने दोस्तों साथियों को भी बताएगा ताकि वह भी अपनी तैयारी यहां से कर सके।

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JAC 12th Model Paper 2022 Physics SET-4 Live Test

JAC 12th Model Paper 2022 Physics SET-4 Live Test

Subject- Physics


If You think our answer is wrong then inform us.

some symbols not rendered properly then understand and give correct and

1 / 35

In the given figure current from A to B in the straight wire is decreasing. The
direction of induced current in the loop is


2 / 35

Lenz’s law is a consequence of the law of conservation of

3 / 35

Direction of current induced in a wire moving in a magnetic field is found using

4 / 35

Two identical coaxial coils P and Q carrying equal amount of current in the same
direction are brought nearer. The current in

5 / 35

The role of inductance is equivalent to

6 / 35

The magnetic flux linked with a coil of N turns of area of cross section A held
with its plane parallel to the field B is

7 / 35

Which of the following independent quantities is not used to specify the earth’s
magnetic field?

8 / 35

Which of the following is responsible for the earth’s magnetic field?

9 / 35

The strength of the earth’s magnetic field is

10 / 35

The earth behaves as a magnet with magnetic field pointing approximately
from the geographic

11 / 35

What is Lorentz force

12 / 35

Mention S.I. unit of magnetic field :

13 / 35

Which of the following is not the unit of magnetic induction

14 / 35

Two parallel conductors carrying current in the same direction will

15 / 35

The expression for Lorentz Force is

16 / 35

Two long parallel wires each carrying a current of 1 A in the same direction, are placed 1m
apart. The force of attraction between them is

17 / 35

A proton enters a uniform magnetic field of 5T with a velocity of  4×10^7 m/s at right angles to the
field. The magnetic force acting on the proton is (Charge of Proton= 1.6×10^-19 C)

18 / 35

An external resistance ‘R’ is connected to a cell of internal resistance ‘r’, the
current in the circuit is maximum when

19 / 35

For ohmic conductor the drift velocity vd and the electric field E applied across it are
related as

20 / 35

A wire P is half the diameter and half the length of a wire Q of similar material. The ratio of
resistances of P to that Q is:

21 / 35

The resistance( in Ω) in the four arms of wheatstone bridge are as follows. in which case the
bridge is balanced

22 / 35

The length and radius of an electric resistance of a certain wire are doubled simultaneously,
then the:

23 / 35

Kirchhoffs first and second laws for electrical circuits are consequences of:

24 / 35

Why is the Wheatstone bridge more accurate than other methods of measuring resistances

25 / 35

If a dielectric be introduced between plates of a parallel plate capacitor

then the value of its capacitance-

26 / 35

Determine the equivalent capacitance between points A and B...


27 / 35

Two capacitor of capacity 6 μF each are available, the minimum and
maximum capacitance which may be obtained are

28 / 35

Increasing the charge on the plates of a capacitor means

29 / 35

A parallel plate capacitor is charged and then the charging battery is disconnected. The plates
are further separated. The p.d. between the plates will

30 / 35

Two point charge of +3μC and -8μC attract each other with a force of 1N. A charge of + 5μC
is added to each of them. Now, the force will be

31 / 35

A soap bubble is given negative charge. Then, its radius w

32 / 35

Gaussian sphere encloses an electric dipole within it . the total flux across the sphere is

33 / 35

Two copper spheres of the same radius, one solid and the other hollow, are charged to
the same potential. Which will have more charge?

34 / 35

When placed in a uniform field, a dipole experiences

35 / 35

Which one of the following is the unit of electric field?

Your score is

The average score is 71%


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