10th Standard CBSE Syllabus & Materials
10th Standard CBSE
CBSE 10th Social Science ECO - Globalisation and the Indian Economy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Money and Credit - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Sectors of the Indian Economy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Development - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Outcomes of Democracy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Gender, Religion and Caste - New Model Questions Papers Study Material - QB365 Set A
Published on: 25/05/2021
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Download CBSE Class 10th Standard CBSE Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 10th Standard CBSE Science
Questions + Answers key
Take MCQ Science Test1.
A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in the figure. The direction of the magnetic field will be north to south at a point
Directly above the wire
directly below the wire
At a point located in the plane of the paper, on the north side of the wire
At a point located in the plane of the paper, on the south side of the wire.
2.
If the key in the arrangement (below figure) is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are
Concentric circles
Elliptical in shape
Straight lines parallel to each other
Concentric circles near the point O but of elliptical shapes as we go away from it.
3.
The most important safety method used for protecting home appliances from short circuiting or overloading is
Earthing
Use of fuse
Use of stabilisers
Use of electric meter.
4.
To convert an AC generator into DC generator
Split-ring type commutator must be used
Slip rings and brushes must be used
A stronger magnetic field has to be used
A rectangular wire has to be used.
5.
The strength of magnetic field inside a long current carrying straight solenoid is
More at the ends than at the centre
Minimum in the middle
Same at all points
Found to increase from one end to the other.
1.
(b)
directly below the wire
2.
(a)
Concentric circles
3.
(b)
Use of fuse
4.
(a)
Split-ring type commutator must be used
5.
(c)
Same at all points
10th Standard CBSE Syllabus & Materials
10th Standard CBSE
CBSE 10th Social Science PS - Federalism - New Model Questions Papers Study Material - QB365 Set A
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CBSE 10th Social Science PS - Power Sharing - New Model Questions Papers Study Material - QB365 Set A
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CBSE 10th Social Science GEO - Manufacturing Industries - New Model Questions Papers Study Material - QB365 Set A
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CBSE 10th Social Science GEO - Minerals and Energy Resources - New Model Questions Papers Study Material - QB365 Set A
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