Class 10 Science - Chapter Magnetic effects of Electric Current NCERT Solutions | Consider a circular loop of wire lying i
Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop.
Inside the loop = Pierce inside the table
Outside the loop = Appear to emerge out from the table
For the downward direction of current flowing in the circular loop, the direction of magnetic field lines will be as if they are emerging from the table outside the loop and merging in the table inside the loop. Similarly, for the upward direction of current flowing in the circular loop, the direction of magnetic field lines will be as if they are emerging from the table outside the loop and merging in the table inside the loop, as shown in the given figure.
More Questions From Class 10 Science - Chapter Magnetic effects of Electric Current
- Q:-
The magnetic field in a given region is uniform. Draw a diagram to represent it.
- Q:-
How does a solenoid behave like a magnet? Can you determine the north and south poles of a current–carrying solenoid with the help of a bar magnet? Explain.
- Q:-
Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes?
- Q:-
In Activity 13.7, how do we think the displacement of rod AB will be affected if (i) current in rod AB is increased; (ii) a stronger horse-shoe magnet is used; and (iii) length of the rod AB is increased?
- Q:-
A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field. The direction of magnetic field is
(a) towards south (b) towards east
(c) downward (d) upward - Q:-
Draw a labelled diagram of an electric motor. Explain its principle and working. What is the function of a split ring in an electric motor?
- Q:-
Draw magnetic field lines around a bar magnet.
- Q:-
State Fleming’s left-hand rule.
- Q:-
List the properties of magnetic field lines.
- Q:-
Two circular coils A and B are placed closed to each other. If the current in the coil A is changed, will some current be induced in the coil B? Give reason.
Popular Questions of Class 10 Science
- Q:-
Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.
- Q:-
What is a good source of energy?
- Q:-
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?
- Q:-
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
- Q:-
What changes can you make in your habits to become more environment-friendly?
- Q:-
What is the difference between a reflex action and walking?
- Q:-
What is the importance of DNA copying in reproduction?
- Q:-
If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?
- Q:-
Why should a magnesium ribbon be cleared before burning in air?
- Q:-
Define the principal focus of a concave mirror.
Recently Viewed Questions of Class 10 Science
- Q:-
Calculate the number of electrons constituting one coulomb of charge.
- Q:-
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
- Q:-
A spherical mirror and a thin spherical lens have each a focal length of –15 cm. The mirror and the lens are likely to be
(a) both concave.
(b) both convex.
(c) the mirror is concave and the lens is convex.
(d) the mirror is convex, but the lens is concave. - Q:-
How is the amount of urine produced regulated?
- Q:-
What effect does the concentration of H+(aq) ions have on the nature of the solution?
- Q:-
Why do we apply paint on iron articles?
- Q:-
How are the lungs designed in human beings to maximise the area for exchange of gases?
- Q:-
Why does an aqueous solution of an acid conduct electricity?
- Q:-
A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?
- Q:-
The position of three elements A, B and C in the Periodic Table are shown below –
Group 16 Group 17
- -
- A
- -
B C(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
- All Chapters Of Class 10 Science
- All Subjects Of Class 10