Question 1 :
In which  form  the field lines inside the infinite solenoid are present ?<br/>
Question 2 :
Which rule is used to find the direction of magnetic field in a toroid?
Question 3 :
A small coil of N turns has an area A and a currenti flows through it. The magnetic dipole momentof the coil will be<br>
Question 4 :
In order to increase the sensitivity of a moving coil galvanometer:
Question 5 :
A charged particle with charge $q$enters a regionof constant uniform and mutually orthogonal fields$\vec{E}$ and $\vec{B}$with a velocity $\vec{v}$ perpendicular to both$\vec{E}$ and $\vec{B}$ and comes out without any change in magnitude and direction of $\vec{v}$. Then,<br>
Question 6 :
The sensitivity of a moving coil galvanometer increases with the decrease in <br/>
Question 7 :
A moving coil type of galvanometer is basedupon the principle that<br>
Question 10 :
<strong>If $2\%$ of the main current is to be passed through a galvanometer of resistance $G$, then resistance of the shunt required is </strong><br/>
Question 11 :
<strong>A galvanometer in series with a high resistance is called </strong><br>
Question 13 :
A long solenoid carrying a current produces a magnetic field B along its axis. If the current is doubled and the number of turns per cm is halved, the new value of the magnetic field is<br>
Question 14 :
A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current of 5 A is passed through this solenoid, what is the magnetic field inside the solenoid?
Question 15 :
A wire of length $L$ is made in the form of a coil in a moving coil galvanometer. To have maximum sensitiveness the shape of the coil is <br/>
Question 17 :
The number of turns per unit length in a toroid is $10^3$and current flowing in it is $\dfrac{1}{4\pi} A$, then the magnetic induction produced in it, is :
Question 18 :
A solenoid have the self inductance 2H. It length of the solenoid is doubled having turn density and area constant then new self inductance is going to be the:-
Question 19 :
Charged particle would continue to move with a constant velocity in a region wherein,