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3 years ago

Which item(s) would be sufficient to make a circuit?

Physics

2 answers:

masya89 [10]3 years ago

7 0

Explanation :

A circuit is the representation of the path of the flow of current. The circuit can be either closed or open.

When the switch is off the circuit is closed circuit and when the switch is not connected the circuit is open.

The items that are sufficient to make a circuit are as follows :

Voltage source like a battery.
Resistors or electrical equipment like heater, motor etc.

Other components can be ammeter, voltmeter, ac source, variable resistors etc.

wel3 years ago

4 0

Answer: A key, a conducting wire, a battery/cell , a resistance.

Explanation:

A circuit is a loop through which electric current flows. Thus, a conducting wire is essential.

An energy source is required-one which provides a potential difference across the two terminals. A cell or a battery can be used.

A key is required to open or close the circuit. Current flows only when the circuit is closed i.e. it forms a loop.

A component which is required to work - A resistance - A bulb or a motor etc.

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Sound with a frequency of 1250 Hz leaves a room through a doorway with a width of 1.05 m.At what minimum angle relative to the c

kiruha [24]

Answer:

15.19°, 31.61°, 51.84°

Explanation:

We need to fin the angle for m=1,2,3

We know that the expression for wavelenght is,

$\lambda = \frac{c}{f}$

Substituting,

$\lambda = \frac{344}{1250}$

$\lambda = 0.2752m$

Once we have the wavelenght we can find the angle by the equation of the single slit difraction,

$sin\theta = \frac{m \lambda}{W}$

Where,

W is the width

m is the integer

$\lambda$ the wavelenght

Re-arrange the expression,

$\theta = sin^{-1} \frac{m\lambda}{W}$

For m=1,

$\theta = sin^{-1} \frac{1 (0.2752)}{1.05}= 15.19\°$

For m=2,

$\theta = sin^{-1} \frac{2 (0.2752)}{1.05}= 31.61\°$

For m=3,

$\theta = sin^{-1} \frac{3 (0.2752)}{1.05}= 51.84\°$

<em>The angle of diffraction is directly proportional to the size of the wavelength.</em>

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Andru [333]

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Explanation:

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lys-0071 [83]

Answer:

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they travel the same distance

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irga5000 [103]

KHDMDCM.
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4 years ago