Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 10 English Medium Physics Magnetic Effects of Electric Current
Picture of an electric motor is given
a. After observing the figure write down the parts represented by N,S,R1,R2,B1,B2,ABCD
b. If current is flown as shown in diagram, what will be the direction of rotation of armature?
c. What is the function of split ring commutator in electric motors ?
a. N-S Field magnet.
R1,R2 split rings
c. To maintain rotation of armature the
From the given list identify the correct statements related to Fleming's left hand rule
a) Thumb indicates the direction of force
b) Forefinger indicates direction of current
c) Centre finger indicates direction magnetic field
d) other fingers that hold the conductor shows the direction of magnetic field
Thumb indicates the direction of force
A conductor is hung freely in between the poles of a 'U' shaped magnet as shown in figure. Observe it and answer the following questions.
Observe the diagram and answer the following questions