Question

(e) 45 km : 60 km = 12 hours: 15 hours
. Determine if the following ratios form a proportion. Also, write the middle terms
and extreme terms where the ratios form a proportion.
(a) 25 cm: 1 m and 40: 160 (b) 39 litres : 65 litres and 6 bottles: 10 bottles
(c) 2 kg : 80 kg and 25 g : 625 g (d) 200 ml: 2.5 litre and 34: 350
.
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Answer 1

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The direction of magnetic field at the centre

of the circular loop depends on whether the

current in the loop flows in clockwise or

anticlockwise direction.When the current is in

clockwise direction, the magnetic field goes

into the side of wall.

when current is in clockwise direction the

direction of magnetic field (B) is towards

the circuit on the other hand when current

is in anticlockwise direction the direction of

magnetic field (B) is outwards the circuit.

Answer 2

Answer:

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