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संबंधित प्रश्न
The wire in Figure below is being moved downwards through the magnetic field so as to produce induced current.
(a) moving the wire at a higher speed?
(b) moving the wire upwards rather than downwards?
(c) using a stronger magnet?
(d) holding the wire still in the magnetic field?
(e) moving the wire parallel to the magnetic field lines?
What is an artificial magnet? State two reasons why do we need artificial magnets .
Explain why iron filings which are sprinkled on a sheet of cardboard placed over a bar magnet take up a definite pattern when cardboard is slightly tapped.
State whether the magnetic field lines in part (a) represent a uniform magnetic field or non-uniform magnetic field?
Write a note on the 'magnetic field'.
A battery can supply a charge of 25 × 104 C. If the current is drawn from battery at the rate of 2.5 A, calculate the time in which battery will discharge completely.
The relation between weber and Tesla is ______.
The direction of the magnetic lines around a current-carrying conductor can be easily understood using the ______ rule.
Name the poles P, Q, Rand S of the magnets in the following figures 'a' and 'b':
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| Figure 'a' | Figure 'b' |
