If a current 0.5mA produces a deflection of 156°, then the galvanometer constant is about, ______

Torque acting on a coil is maximum when the coil is ______

No current flows between two charged particles when connected if they have same ______

The force between two parallel wires carrying current is _______

The current through a solenoid of length 0.5 m with 400 turns produces a magnetic field 10^-3 tesla. The current is _______

The period T of circular motion of a particle of mass m and charge q moving inside a uniform magnetic field of induction B is given by ______

If a deutron and an alpha particle move perpendicular to a uniform magnetic field with same velocity, then the ratio of the radii of their path is ______

A deutron and an alpha particle move in a magnetic field along the same circular path, then the ratio of their velocities is _______

In a thermocouple, temperature of the cold junction is 20°C, the inversion of temperature is 600°C, then neutral temperature is ____________________.

Which of the following principle is used in a thermopile?

These are behaving like thermistor ________________.

The resistance of the filament of a 110 W, 220 V electric bulb is _______________.

To convert a galvanometer into an ammeter we connect which one of the following to the galvanometer?

A wire of length 1 m carrying a current of 2 A is placed inside a field of magnetic induction 20 T such that it makes an angle of 30° with the direction of the field. The force experienced by the wire is _________________.

The magnetic declination for chennai is _______

The angular momentum of an electron revolving in second order (n = 2) is _________________.

The magnitude and direction of magnetic Lorentz force ______________.

The Tangent Galvanometer is more sensitive for this angle of deflection ________________.

In a T.G. experiment, for two different values of current, the deflections are 45° and 30° respectively, then the ratio of the current is ____________________.

Which one of the following pair of particles move with same velocity along the same circular path in a uniform magnetic field?

At a given place the horizontal component of the earth's field is 0.2 x 10^-4 Tesla. If a vertical wire carries a current of 30A upward, what is the magnitude and direction of the force on 1m of wire?

Two thin long parallel wires separated by a distance are carrying current 1 amp each. The magnitude of the force per unit length excited by one wire on the other is ____________.

Lorentz force generally refers to force experienced by a charge due to combined action of _________________.

The direction of the magnetic force on a positive charge moving in a magnetic field is given by ________________.

The most suitable metal for permanent magnet is ______________.