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Chapters
2: Acids, Bases and Salts
3: Metals and Non-metals
4: Carbon and its Compounds
5: Life Processes
6: Control and Coordination
7: How do Organisms Reproduce?
8: Heredity
9: Light – Reflection and Refraction
10: The Human Eye and the Colourful World
11: Electricity
▶ 12: Magnetic Effects of Electric Current
13: Our Environment
![NCERT solutions for Science [English] Class 10 chapter 12 - Magnetic Effects of Electric Current - Shaalaa.com](/images/science-english-class-10_6:1a59543cfe684fe9a4034b624a338d9a.jpg "NCERT solutions for Science [English] Class 10 chapter 12 - Magnetic Effects of Electric Current")
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Solutions for Chapter 12: Magnetic Effects of Electric Current
Below listed, you can find solutions for Chapter 12 of CBSE, Karnataka Board NCERT for Science [English] Class 10.
NCERT solutions for Science [English] Class 10 12 Magnetic Effects of Electric Current EXERCISE [Page 207]
Which of the following correctly describes the magnetic field near a long straight wire?
The field consists of straight lines perpendicular to the wire
The field consists of straight lines parallel to the wire
The field consists of radial lines originating from the wire
The field consists of concentric circles centred on the wire
At the time of short circuit, the current in the circuit ______.
reduces substantially
does not change
increases heavily
vary continuously
State whether the following statement is true or false
The field at the centre of a long circular coil carrying current will be parallel straight lines.
True
False
State whether the following statement is true or false.
A wire with a green insulation is usually the live wire of an electric supply.
True
False
List two methods of producing magnetic fields.
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field?
State the rule to determine the direction of a magnetic field produced around a straight conductor-carrying current.
State the rule to determine the direction of a force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
State the rule to determine the direction of a current induced in a coil due to its rotation in a magnetic field.
When does an electric short circuit occur?
What is the function of an earth wire?
Why is it necessary to earth metallic appliances?
NCERT solutions for Science [English] Class 10 12 Magnetic Effects of Electric Current Intext Question [Pages 196 - 205]
Why does a compass needle get deflected when brought near a bar magnet?
Draw magnetic field lines around a bar magnet.
Write any three properties of magnetic lines of force.
Why don’t two magnetic lines of force intersect each other?
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.
The magnetic field in a given region is uniform. Draw a diagram to represent it.
Choose the correct option.
The magnetic field inside a long straight solenoid-carrying current ______.
is zero
decreases as we move towards its end
increases as we move towards its end
is the same at all points
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.)
mass
speed
velocity
momentum
In the Activity shown below, how do we think the displacement of rod AB will be affected if
- current in rod AB is increased
- a stronger horse-shoe magnet is used
- length of the rod AB is increased?
|
A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field. The direction of magnetic field is ______.
towards south
towards east
downward
upward
Name safety measures commonly used in electric circuits and appliances.
An electric oven of 2 kW is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.
What precaution should be taken to avoid the overloading of domestic electric circuits?
Solutions for 12: Magnetic Effects of Electric Current
NCERT solutions for Science [English] Class 10 chapter 12 - Magnetic Effects of Electric Current
Shaalaa.com has the CBSE, Karnataka Board Mathematics Science [English] Class 10 CBSE, Karnataka Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 10 CBSE, Karnataka Board 12 (Magnetic Effects of Electric Current) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Science [English] Class 10 chapter 12 Magnetic Effects of Electric Current are Magnetic Effect of Electric Current, Properties of magnetic lines of force, Right-hand Thumb Rule, Magnetic Field Due to Current in a Loop (Or Circular Coil), Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid), Force on a Current Carrying Conductor in a Magnetic Field, Magnetic Field, Magnetic Field Due to a Current Carrying Straight Conductor, Electric Motor, Electromagnetic Induction, Alternating Current (A.C.) Generator, Household Electrical Circuits, Faraday's Laws of Electromagnetic Induction, Electric Generator, Direct Current Motor, Distinction Between an A.C. Generator and D.C. Motor, Types of Current, Magnetic Effect of Electric Current, Properties of magnetic lines of force, Right-hand Thumb Rule, Magnetic Field Due to Current in a Loop (Or Circular Coil), Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid), Force on a Current Carrying Conductor in a Magnetic Field, Magnetic Field, Magnetic Field Due to a Current Carrying Straight Conductor, Electric Motor, Electromagnetic Induction, Alternating Current (A.C.) Generator, Household Electrical Circuits, Faraday's Laws of Electromagnetic Induction, Electric Generator, Direct Current Motor, Distinction Between an A.C. Generator and D.C. Motor, Types of Current, Magnetic Effect of Electric Current, Properties of magnetic lines of force, Right-hand Thumb Rule, Magnetic Field Due to Current in a Loop (Or Circular Coil), Magnetic Field Due to a Current Carving Cylindrical Coil (or Solenoid), Force on a Current Carrying Conductor in a Magnetic Field, Magnetic Field, Magnetic Field Due to a Current Carrying Straight Conductor, Electric Motor, Electromagnetic Induction, Alternating Current (A.C.) Generator, Household Electrical Circuits, Faraday's Laws of Electromagnetic Induction, Electric Generator, Direct Current Motor, Distinction Between an A.C. Generator and D.C. Motor, Types of Current.
Using NCERT Science [English] Class 10 solutions Magnetic Effects of Electric Current exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board Science [English] Class 10 students prefer NCERT Textbook Solutions to score more in exams.
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