All questions are compulsory.
Subject
Science
MM : 40
Section A (Pysics)
For the question number 1 and 2. Two state ments are given one labeled
Assertion (A) and the other labeled Reason (R). Select the correct answer to
these questions from the codes (i), (ii), (iii), and (iv) as given below.
i) 'A' and 'R' are true and 'R' is correct reason of 'A'.
ii) 'A' and 'R' are true but 'R' is not correct reason of 'A'
iii) 'A' is True but 'R' is false.
iv) Both 'A' and 'R' is false.
Q:1 [A] Magnetic field lines have both direction and magnitude.
(1)
[R] The field lines emerge from the North pole and merge at south pole.
Q:2 (A) Magnets are used to generaie ciccaicity.
(1)
[R] Electric Current flowing through a wire produce magnetic effect.
Q:3 The most important safety method used for protecting home appliances
from short circuiting or over loading is
(1)
Earthing
ii) use of fuse iii) use of stabilizers
iv) use of electric meter.
Q:4 Choose the correct Statement :
(1)
i) Fleming's right hand rule is simple rule to know the direction of induced
current.
ii) The right hand thumb rule is used to find direction of magnetic field due to
current - carrying conductors.
iii) The difference between the direct and Alternating currents is that the direct
current always flows is one direction. Where as the alternating currents
reverses its direction periodically.
iv) In India , The AC changes direction after every 1/50 Second.
Q:5 What is meant by solenoid ? Give its main use
Q:6 State fleming's left hand rule ?
(2)
Q:7 Draw the pattern of magnetic field lines around a straight conductor
carrying electric current. Apply right hand thumb rule to mark the direction of
magnetic field.
(2)
Answers
Step-by-step explanation:
All questions are compulsory.
Subject
Science
MM : 40
Section A (Pysics)
For the question number 1 and 2. Two state ments are given one labeled
Assertion (A) and the other labeled Reason (R). Select the correct answer to
these questions from the codes (i), (ii), (iii), and (iv) as given below.
i) 'A' and 'R' are true and 'R' is correct reason of 'A'.
ii) 'A' and 'R' are true but 'R' is not correct reason of 'A'
iii) 'A' is True but 'R' is false.
iv) Both 'A' and 'R' is false.
Q:1 [A] Magnetic field lines have both direction and magnitude.
(1)
[R] The field lines emerge from the North pole and merge at south pole.
Q:2 (A) Magnets are used to generaie ciccaicity.
(1)
[R] Electric Current flowing through a wire produce magnetic effect.
Q:3 The most important safety method used for protecting home appliances
from short circuiting or over loading is
(1)
Earthing
ii) use of fuse iii) use of stabilizers
iv) use of electric meter.
Q:4 Choose the correct Statement :
(1)
i) Fleming's right hand rule is simple rule to know the direction of induced
current.
ii) The right hand thumb rule is used to find direction of magnetic field due to
current - carrying conductors.
iii) The difference between the direct and Alternating currents is that the direct
current always flows is one direction. Where as the alternating currents
reverses its direction periodically.
iv) In India , The AC changes direction after every 1/50 Second.
Q:5 What is meant by solenoid ? Give its main use
Q:6 State fleming's left hand rule ?
(2)
Q:7 Draw the pattern of magnetic field lines around a straight conductor
carrying electric current. Apply right hand thumb rule to mark the direction of
magnetic field.
(2)