What is meant by the phrase " a consistent method of measurement "? someone help plss

Physics

2 answers:

Mars2501 [29]3 years ago

8 0

D.Measurements are taken in a way that is the same every time.- apex

Anuta_ua [19.1K]3 years ago

4 0

Explanation: A consistent method of measurement means using a defined set of steps or defined measurement technique to measure anything. For example when we measure distance we always measure it in meters or kilometers, not in feet. And this would not change even if we measure anything for n times. There are different types of units for different measurements. For example seconds(time), grams(mass) etc.

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As a result of doubled resistance, current will be halved.

As we know, Ohm's law inversely relates current and resistance to each other. The equation is as follows -

V = I*R, where V is voltage, I is current and R is resistance.

As the question mentions no change in any other parameter, let's assume I₁ and I₂ be initial and final current and R₁ and R₂ initial and final resistance.

So, R₂ will be 2R₁ as it is doubled.

Now, equating the values and finding out the value of final current.

I₁R₁ = I₂R₂

Keep the value of R₂

I₁R₁ = I₂2R₁

Cancelling R₁ as it is common on both sides of equation.

So, we get - I₁ = 2I₂

I₂ = I₁/2

Thus, as can be seen above, final current will be half of initial current.

Learn more about Ohm's law and relation between current, voltage and resistance -

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1 year ago

In a given circuit, the supplied voltage is 1.5 volts. One resistor is 3 ohms and the other is 2 ohms. Use Ohm's law to determin

ozzi

You haven't said whether the two resistors are connected
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Current in the circuit is (voltage)/(resistance) = 1.5/1.2 = 1.25 Amp.

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