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
Physics
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
The ultimate individual unit of magnetism in any magnet is called
The ultimate individual unit of magnetism in any magnet is called Options (a) North pole (b) South pole (c) Dipole…
7 years ago
An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long solenoid having 5 turns/cm.…
7 years ago
Two thin long conductors seprated by a distance d carry currents
Two thin long conductors seprated by a distance d carry currents I₁ and I₂ in the same direction. They exert…
7 years ago