Volume of a
n.
How many planks each of which is 2 m long, 2.5 cm broad and 4 cm thick can be
cut off from a wooden block 6 m long, 15 cm broad and 40 cm thick?
om rospectively are melted
Answers
Answer:
Read the following and answer any four questions:
The following is the diagram of an electric motor:
a) Which part of the electric motor in the above figure) can be used as an armature after
some modifications?
(1) POXY
(n) YXOP
(I) ABCD
(iv) ABPQ
Page (4)
b) What are these modifications in the part mentioned above?
1) large number of turns
il) s soft iron core
(1) both large number of turns and a soft iron core
(iv) none of these
Which part in the above diagram is replaced by an electromagnet in order to make a
Commercial motor?
(1) X and Y
(ii) Pando
(im) R
(iv) None of these
d Which part in the above diagram is a device that reverses the direction of flow of
current through a circuit?
1) X and Y
(11) P and Q
(117) R
(iv) None of these
Which part in the above diagramis used as an axle in the electric motor?
6) X and Y
(11) P and q
(in) R
(iv) None of these50+20+20+10
Answer:
refer the attachment
Step-by-step explanation:
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