3 years ago

You have a working electrical parallel circuit with three light bulbs, then 1 bulb burns

1 answer:

4 0

Answer:

but the answer should be no as if 3 bulbs are connected together if one burns out the whole circuit will stop .hope you understood

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Calculate the current through a 3.0 Ď‰ resistor with a voltage of 9.0 v across it.

gulaghasi [49]

Answer: 3 A

Explanation:

According to<u> Ohm's law</u>:

$V=R.I$

Where:

$V=9 V$ is the voltage

$R=3\Omega$ is the resistance of the resistor

$I$ is the electric current (the value we want to find)

Isolating $I$ :

$I=\frac{V}{R}$

$I=\frac{9 V}{3\Omega}$

Finally:

$I=3 A$

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azamat

The sugar cube disolves

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An engine is used to lift a beam weighing 9,800 N up to 145 m. How much work must the engine do to lift this beam? How much work

Arturiano [62]

Explanation:

Given that,

Weight of the engine used to lift a beam, W = 9800 N

Distance, d = 145 m

Work done by the engine to lift the beam is given by :

W = F d

$W=9800\ N\times 145\ m\\\\W=1421000\ J\\\\W=1421\ kJ$

Let W' is the work must be done to lift it 290 m. It is given by :

$W'=9800\ N\times 290\ m\\\\W'=2842000\ J\\\\W'=2842\ kJ$

Hence, this is the required solution.

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Any one tell me about the earth rotation it rotatining or not with any proof?

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The proof that the earth is rotating is the happens of night and day also the seasons, eg. winter, summer, autumn.

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Colt1911 [192]

You answer would be C. Ernest Rutherford.

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