Advertisements
Advertisements
प्रश्न
An electron beam enters a magnetic field at right angles to it as shown in the Figure.
The direction of force acting on the electron beam will be:
to the left
to the right
into the page
out of the page
उत्तर
into the page
Using Fleming's left-hand rule, we find that the direction of force acting on the electron beam will be into the page.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true of false:
The axis of earth's imaginary magnet and the geographical axis coincide with each other.
The shape of the earth's magnetic field resembles that of an imaginary:
(a) U-shaped magnet
(b) Straight conductor carrying current
(c) Current-carrying circular coil
(d) Bar magnet
A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a set-up or step down transformer?
Draw magnetic field lines produced around a current-carrying straight conductor passing through cardboard. Name, state and apply the rule to mark the direction of these field lines.
Draw diagram showing the arrangement of the lines of force for a single magnet.
State any two properties of a magnet.
What are the properties of a magnet?
A magnetic needle is kept in a non-uniform magnetic field. It experiences ______.
Magnetic lines of force never ______ each other.
A closely wounded circular coil of radius 5 cm produces a magnetic field of 37.68 × 10-4 T at its center. The current through the coil is ______ A. [Given, number of turns in the coil is 100 and π = 3.14)