A current of 2 A is made to flow through a coil which has only one turn. The magnetic
A current of 2 A is made to flow through a coil which has only one turn. The magnetic field…
7 years ago
Magnetic Effects of Current and Magnetism
A metal rod of length l cuts across a uniform magnetic field B with a velocity v.
A metal rod of length l cuts across a uniform magnetic field B with a velocity v. If the resistance…
7 years ago
Two charged particles have charges and masses in the ratio 2:3 and 1:4 respectively.
Two charged particles have charges and masses in the ratio 2:3 and 1:4 respectively. If they enter a uniform magnetic…
7 years ago
Time period of oscillation of a magnet is 2 sec. When it is remagnetised
Time period of oscillation of a magnet is 2 sec. When it is remagnetised so that its pole strength is…
7 years ago
A proton and helium nucleus are shot into a magnetic field at right angles to the field
A proton and helium nucleus are shot into a magnetic field at right angles to the field with same kinetic…
7 years ago
If a proton, a deuteron and an alpha particle, on being accelerated by the same
If a proton, a deuteron and an alpha particle, on being accelerated by the same potential difference, enter perpendicularly to…
7 years ago
Which of the following, is a vector quantity?
Which of the following, is a vector quantity? Options (a) Density (b) Magnetic flux (c) Intensity of magnetic field (d)…
7 years ago
The ferromagnetic substance is
The ferromagnetic substance is Options (a) Zn (b) Cu (c) Co (d) Al Correct Answer: CoExplanation:No explanation available. Be the…
7 years ago
A wire of length L metre carrying a current I ampere is bent in the form
A wire of length L metre carrying a current I ampere is bent in the form of a circle. The…
7 years ago
The ratio of magnetic dipole moment of an electron of charge e and mass m
The ratio of magnetic dipole moment of an electron of charge e and mass m in Bohr's orbit in hydrogen…
7 years ago