A
B
C
D
Text Solution
Verified by Experts
The correct Answer is:
Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
MOTION-ELECTROMAGNETISM-Exercise
- A magnetised wire of moment M is bent into an arc of a circle subtendi...
Text Solution
|
- Magnetic field produced by electrons in aotms and molecules is due to ...
Text Solution
|
- When a magnet is heated, its strength –
Text Solution
|
- The lines of forces due to earth's horizontal component of magnetic fi...
Text Solution
|
- A deflection magnetometer can be used for measuring –
Text Solution
|
- A line joining places of zero declination is called
Text Solution
|
- A hydrogen atom is a paramagnetic. A hydrogen molecule is –
Text Solution
|
- The core of electromagnet is made of soft iron because a) the susc...
Text Solution
|
- A permanent magnet –
Text Solution
|
- The relative permeability of a substance X is slightly less than unity...
Text Solution
|
- The variation of magnetic susceptibility (chi) with absolute temperatu...
Text Solution
|
- A conducting loop is pulled with a constant velocity towards a region ...
Text Solution
|
- A conducting loop of resistance R and radius r has its centre at the o...
Text Solution
|
- A small conducting circular ring of area 2 mm2 is placed coplanerly wi...
Text Solution
|
- A conducting square loop edge length a and resistance R is in a unifor...
Text Solution
|
- A wire is in the form of a semicircle of radius r. One end is attached...
Text Solution
|
- A circular coil of radius a and having N turns is placed at centre of ...
Text Solution
|
- In the circuit shown in fig.. Time constant and steady state current w...
Text Solution
|
- Through an induction coil of L = 0.2 H, an a.c. current of 2A is passe...
Text Solution
|
- When the current in a coil charges from 2A to 4A in 0.05 s, emf of 8 v...
Text Solution
|