Why is it better to use the metric system, rather than the English system, in scientific measurement?

Physics

2 answers:

Lera25 [3.4K]3 years ago

8 0

Answer:

Explanation:

fiasKO [112]3 years ago

4 0

A. The English system uses one unit for each category of measurement.

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A cell of e.M.F 1.5v and internal resistance 2.5ohm is connected in series with an ammeter of resistance 0.5ohm. Calculate the c

Tju [1.3M]

Given :

A cell of e.m.f 1.5 V and internal resistance 2.5 ohm is connected in series with an ammeter of resistance 0.5 ohm.

To Find :

The current in the circuit.

Solution :

We know, resistance of the ammeter is in series with the circuit.

So, total resistance is :

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What is the relationship between electric and magnetic fields?

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A bar B made of some material is attracted by a magnet. Is the bar B magnetised ?

Dvinal [7]

Answer:

No, it is not magnetized.

Explanation:

Bar B does not necessarily have to be magnetized before it can be attracted to a magnet. It just has to be a magnetic material such as Iron.

If bar B were magnetized, it could either be attracted or repelled by the magnet since this would depend on the side of the pole of bar B facing it.

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