which of the answers below best describes the precaution you must make before connecting a capacitor to a circuit?

1 answer:

8 0

The characteristics of the capacitors can be found answer of which is the most important precaution before connecting a capacitor is:

Discharge the capacitor before handling

A capacitor in a computer that consists of metallic plates with an electrical charge in them, the main function of a capacitor is to store energy.

As a capacitor is an energy storage system, it has a charge Q on each plate, so it must be used with caution among the main measures we have.

Do not manipulate the capacitors after turning off a circuit, the energy is stored and you can receive a shock

Before connecting a capacitor, take the precaution of discharging it by short-circuiting its legs.

In conclusion with the characteristics of the capacitors we find that the answer is the most important precaution before connecting a capacitor is:

Discharge the capacitor before handling

Learn more about capacitors here:

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A physicist comes across an open container which is filled with two liquids. Since the two liquids have different density, there

Dominik [7]

Answer:

496.57492 kg/m³

Explanation:

$P_a$ = Atmospheric pressure = 101300 Pa

$\rho_w$ = Density of water = 1000 kg/m^3

$h_w$ = Height of water = 21.8 cm

$h_f$ = Height of fluid = 30 cm

g = Acceleration due to gravity = 9.81 m/s²

$\rho_f$ = Density of the unknown fluid

Absolute pressure at the bottom

$P_{abs}=P_a+\rho_wgh_w+\rho_fgh_f\\\Rightarrow \rho_f=\frac{P_{abs}-P_a-\rho_wgh_w}{gh_f}\\\Rightarrow \rho_f=\frac{104900-101300-1000\times 9.81\times 0.218}{9.81\times 0.3}\\\Rightarrow \rho_f=496.57492\ kg/m^3$