Class 10 NCERT Solutions Magnetic Effects of Electric current

Class 10 NCERT Solutions Magnetic Effects of Electric current with answers available in Pdf for free download. The NCERT Solutions for Class 10 Science with answers have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 10 by CBSE, NCERT and KVS. Solutions to questions given in NCERT book for Class 10 Science are an important part of exams for Grade 10 Science and if practiced properly can help you to get higher marks. Refer to more Chapter-wise Solutions for NCERT Class 10 Science and also download more latest study material for all subjects

Magnetic Effects of Electric current Class 10 NCERT Solutions

Class 10 Science students should refer to the following NCERT questions with answers for Magnetic Effects of Electric current in standard 10. These NCERT Solutions with answers for Grade 10 Science will come in exams and help you to score good marks

Magnetic Effects of Electric current NCERT Solutions Class 10

Class 10 NCERT Solutions Magnetic Effects of Electric current - NCERT Solutions prepared for CBSE students by the best teachers in Delhi.

Magnetic Effects of Electric Current

Question 1: Why does a compass needle get deflected when brought near a bar magnet?

Answer: A compass needle is a small bar magnet. When it is brought near a bar magnet, its magnetic field lines interact with that of the bar magnet. Hence, a compass needle shows a deflection when brought near the bar magnet.

Question 2: Draw magnetic field lines around a bar magnet.

Answer: Magnetic field lines of a bar magnet emerge from the north pole and terminate at the south pole. Inside the magnet, the field lines emerge from the south pole and terminate at the north pole, as shown in the given figure.

Question 3: List the properties of magnetic lines of force.

Answer: The properties of magnetic lines of force are as follows.

   (a) Magnetic field lines emerge from the north pole.

   (b) They merge at the south pole.

  (c) The direction of field lines inside the magnet is from the south pole to the north pole.

  (d) Magnetic lines do not intersect with each other.

Question 4: Why don’t two magnetic lines of force intersect each other?

Answer: If two field lines of a magnet intersect, then at the point of intersection, the compass needle points in two different directions. This is not possible. Hence, two field lines do not intersect each other.

Question 5: 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.

Answer: Inside the loop = Pierce inside the table Outside the loop = Appear to emerge out from the table For 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 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.

Question 6: The magnetic field in a given region is uniform. Draw a diagram to represent it.

The magnetic field lines inside a current-carrying long straight solenoid are uniform.

Question 7: 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.

Answer: Inside the loop = Pierce inside the table Outside the loop = Appear to emerge out from the table For 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 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.

Question 8: The magnetic field in a given region is uniform. Draw a diagram to represent it.

Question 9: Choose the correct option.

The magnetic field inside a long straight solenoid-carrying current

   (a) is zero

   (b) decreases as we move towards its end

   (c) increases as we move towards its end

   (d) is the same at all points

Question 10: Which of the following property of a proton can change while it moves freely in a magnetic field? (There may be more than one correct answer.)

  (a) mass

  (b) speed

  (c) velocity

  (d) momentum


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Chapter 12 Electricity
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