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nevsk [136]
3 years ago
12

How is a ground wire a safety precaution

Physics
1 answer:
rjkz [21]3 years ago
5 0
When the metal case of a piece of equipment is connected to ground through a ground wire, any fault current is conducted by the wire, rather than by someone who may touch the case.
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A battery is connected to a 10 resistor and produces a current of 0.2 A in the circuit. If the resistor is replaced with a 20 re
drek231 [11]

Answer:

0.1 A

Explanation:

From the question,

V = IR............ Equation 1

Where V = Voltage, I = current, R = Resistance.

Given: I = 0.2 A, R = 10 ohms.

Substitute into equation 1

V = 0.2(10)

V = 2 volt,

If the resistor is replaced with a 20 resistor, The nwe current is

I = V/R................ Equation 2

I = 2/20

I = 0.1 A

4 0
2 years ago
What does the measurement unit N stand for?
bonufazy [111]

Explanation:

The newton (symbol: N) is the International System of Units (SI) derived unit of force.

3 0
2 years ago
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What are the limitations of using solar panels?
Anit [1.1K]

Answer:

The amount of the sun energy that could be collected.

Explanation:

Some limitations are, the amount of the sun's energy that could be collected the radiation of sun is nearly fixed. The place where we can put the solar panels are also limited.

7 0
3 years ago
What does that make?
Kobotan [32]

Answer:

lithium

Explanation:

A lithium atom contains 3 protons in its nucleus irrespective of the number of neutrons or electrons. Notice that because the lithium atom always has 3 protons, the atomic number for lithium is always 3. The mass number, however, is 6 in the isotope with 3 neutrons, and 7 in the isotope with 4 neutrons.

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Most of the life is spent in a cell development called?
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It's called cellular differentiation. I think.
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