# NEET Questions Solved

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

Lenz's law is consequence of the law of conservation of

(1) Charge

(2) Momentum

(3) Mass

(4) Energy

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

The magnetic flux through a circuit of resistance R changes by an amount $\Delta \phi$ in time $\Delta t$, Then the total quantity of electric charge Q, which passing during this time through any point of the circuit is given by

(1) $Q=\frac{\Delta \varphi }{\Delta t}$

(2) $Q=\frac{\Delta \varphi }{\Delta t}×R$

(3) $Q=-\frac{\Delta \varphi }{\Delta t}+R$

(4) $Q=\frac{\Delta \varphi }{R}$

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

A metallic ring is attached with the wall of a room. When the north pole of a magnet is brought near to it, the induced current in the ring will be

(1) First clockwise then anticlockwise

(2) In clockwise direction

(3) In anticlockwise direction

(4) First anticlockwise then clockwise

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

A coil having an area A0 is placed in a magnetic field which changes from B0 to 4B0 in a time interval t. The e.m.f. induced in the coil will be

(1) $\frac{3{A}_{0}{B}_{0}}{t}$

(2) $\frac{4{A}_{0}{B}_{0}}{t}$

(3) $\frac{3{B}_{0}}{{A}_{0}t}$

(4) $\frac{4{B}_{0}}{{A}_{0}t}$

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

A copper ring is held horizontally and a bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet while it is passing through the ring is

(1) Equal to that due to gravity

(2) Less than that due to gravity

(3) More than that due to gravity

(4) Depends on the diameter of the ring and the length of the magnet

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

A magnet is brought towards a coil (i) speedily (ii) slowly then the induced e.m.f./induced charge will be respectively

(1) More in first case / More in first case

(2) More in first case/Equal in both case

(3) Less in first case/More in second case

(4) Less in first case/Equal in both case

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

As shown in the figure, a magnet is moved with a fast speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil is E, I and Q respectively. If the speed of the magnet is doubled, the incorrect statement is

(1) E increases

(2) I increases

(3) Q remains same

(4) Q increases

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

A coil having 500 square loops each of side 10 cm is placed normal to a magnetic flux which increases at the rate of 1.0 tesla/second. The induced e.m.f. in volts is

(1) 0.1

(2) 0.5

(3) 1

(4) 5

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level:

When a magnet is pushed in and out of a circular coil C connected to a very sensitive galvanometer G as shown in the adjoining diagram with a frequency v, then

(1) Constant deflection is observed in the galvanometer

(2) Visible small oscillations will be observed in the galvanometer if v is about 50 Hz

(3) Oscillations in the deflection will be observed clearly if v = 1 or 2 Hz

(4) No variation in the deflection will be seen if v = 1 or 2 Hz

Concept Videos :-

#2 | Faraday's Law & Lenz's Law
#3 | Questions based on Lenz's Law: Set 1
#4 | Questions based on Lenz's Law: Set 2
#5 | Methods of Producing Induced EMF
#22 | Failure of Kirchoff's Law
#23 | Induced Electric Field

Concept Questions :-

Faraday 's law and lenz law