what is magnetic field?
Answers
Answer:
Let PQRS be the rhombus as shown in the figure.
Since the length of all sides of a rhombus are equal, Perimeter =4× length of one side ⇒4×PQ=146 cm⇒PQ=36.5 cm
Hence, length of each side of the rhombus =36.5 cm
In a rhombus, the diagonals bisect each other at 90
0
Referring the diagram, if PR=55 cm, then OP=27.5 cm, OQ=
2
SQ
Since, triangle POQ is a right angled triangle,
PQ
2
=OP
2
+OQ
2
36.5
2
=27.5
2
+(
2
SQ
)
2
(
2
SQ
)
2
=36.5
2
−27.5
2
(
2
SQ
)=
576
=24cm
SQ=48 cm
Hence, length of the other diagonal =48 cm
Area of a rhombus =
2
1
×(diagonal 1×diagonal 2)=
2
1
×55×48=1320 cm
2
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Answer:
A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. ... Magnetic fields surround magnetized materials, and are created by electric currents such as those used in electromagnets, and by electric fields varying in time.