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givi [52]
3 years ago
11

PLEASE HELP ASAP NO LINKS

Physics
2 answers:
Stells [14]3 years ago
6 0

Answer:

A

Explanation:

Idont know really i asked my grandpa bc he was a teacher and he said it was A if its wrong then im sry

lara [203]3 years ago
4 0

Answer:

A

Explanation:

I got this answer because (by my estimation again) you are looking at 0.04 m/s which is the sound of a measure of a 2 Hz sound frequency. Therefore, for each section on the table diagrams I multiplied the period by their wavelength measurement until I got the value 0.04 m/s. In which A was the only option that gave me that value, providing me with a 2 Hz sound frequency.

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Answer:

Technician  A  is right. The situation will happens even with only two bulbs in series

Explanation:

We must take into account that

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2.-Any and all electric device means an electric load for the source in terms of equation that means any device will implies a drop voltage of V = I*R ( I the flows current and R  the resistance of the device)

3.-Nominal voltage for bulbs are specify for houses voltages you find between fase and neutral wires for instance in Venezuela 120 (v).

4.-In a imaginary circuit of only one bulb, the nominal voltage will be applied and the bulb will operates correctly, but when you add another bulb (in series) the nominal voltage will split  between the two bulbs ( we  could find a situation such as the first bulb work properly but the second one does not). The voltage split according to Ohms law (in such way that the sum of voltage between the terminal of the first bulb plus the voltage at terminals of the second one are equal to nominal voltage.

For that reason all the bulbs are connected in parallel in wich case all of them will operate with the common voltage

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4 years ago
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