Advertisements
Advertisements
प्रश्न
In a uniform magnetic field, the field lines are:
विकल्प
Curved
Parallel equidistant straight lines
Parallel but non-equispaced straight lines
Nothing can be said.
Advertisements
उत्तर
In a uniform magnetic field, the field lines are : Parallel equidistant straight lines
APPEARS IN
संबंधित प्रश्न
The magnetic field lines produced by a bar magnet:
(a) originate from the south pole and end at its north pole
(b) originate from the north pole and end at its east pole
(c) originate from the north pole and end at its south pole
(d) originate from the south pole and end at its west pole
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?
What is a lodestone?
Complete the following sentence :
If the field lines in a magnetic field are parallel and equidistant, the magnetic field is __________ .
Answer the following question.
Draw the pattern of magnetic field lines of
(i) a current-carrying solenoid and
(ii) a bar magnet.
List two distinguishing features between the two fields.
A charge of 5000 C flows through an electric circuit in 2 hours and 30 minutes. Calculate the magnitude of current in a circuit.
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 magnetic field is the strongest at ____________.
Name the poles P, Q, Rand S of the magnets in the following figures 'a' and 'b':
 |
 |
| Figure 'a' | Figure 'b' |
