Equal currents are passing through two very long and straight parallel wires
Equal currents are passing through two very long and straight parallel wires in the same direction. They will Options (a)…
8 years ago
Questions
Identify the paramagnetic substance
Identify the paramagnetic substance Options (a) Iron (b) Aluminium (c) Nickel (d) Hydrogen Correct Answer: AluminiumExplanation:No explanation available. Be the…
8 years ago
A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal component of earth's…
8 years ago
At place on earth, the vertical component of earth’s magnetic field is √3 times
At place on earth, the vertical component of earth's magnetic field is √3 times its horizontal component. The angle of…
8 years ago
The effective length of magnet is 31.4 cm and its pole strength is 0.8Am.
The effective length of magnet is 31.4 cm and its pole strength is 0.8Am. The magnetic moment, if it is…
8 years ago
If r be the distance of a point on the axis of a magnetic dipole from its centre
If r be the distance of a point on the axis of a magnetic dipole from its centre then the…
8 years ago
The magnetic susceptibility does not depend upon the temperature in
The magnetic susceptibility does not depend upon the temperature in Options (a) Ferrite substances (b) Ferromagnetic substances (c) Diamagnetic substances…
8 years ago
For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C. What will be the neutral…
8 years ago
The magnetic field at the centre of a circular coil carrying current I ampere is B.
The magnetic field at the centre of a circular coil carrying current I ampere is B. If the coil is…
8 years ago
A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
A proton is projected with a speed of 3x10⁶ m/s horizontally from east to west. An uniform magnetic field of…
8 years ago