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Romashka [77]
3 years ago
13

How many types of electrical charges exists

Physics
2 answers:
8090 [49]3 years ago
8 0

there are two mains types of eclectically charges exists

Dafna11 [192]3 years ago
3 0

There are two main types of electrical charges.

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If the frequency of a wave is 0.25 Hz, what is its period?
aleksandr82 [10.1K]

Answer:

C

Explanation:

frequency = 1 / period

so

frequency = 0.25

0.25 = 1 / period

1 / 0.25 = period

4 s = period

it is not 4 Hz because period is the time taken

so the answer is C

hope this helps ,please mark it

4 0
3 years ago
Let us be two cylindrical conductors connected in parallel, to which a potential difference of V = 170V is applied. The two cond
PSYCHO15rus [73]

The equivalent resistance of the two cylindrical conductors connected in parallel is 466 ohm.

<h3>Resistance</h3>

Resistance is a measure of the opposition to flow of electric current. It is measured in ohms.

It is given by the formula:

R=\rho\frac{l}{A} \\\\where\ l=length,A=area,\rho=resistivity

Given that R₂ = 469 ohm, hence:

R_2=\rho\frac{l_2}{A_2} \\\\469=\rho\frac{l_2}{\pi r_2^2}

But l₁ = 6l₂, r₁ = (1/5)r₂, hence:

R_1=\rho \frac{l_1}{A_1}=\rho *\frac{6l_2}{[\pi (1/5)r_2]^2} =150 * \rho \frac{l_2}{[\pi r_2]^2}=30*469=70350\ ohm

The equivalent resistance (R) is:

R=\frac{R_1R_2}{R_1+R_1}=\frac{469*70350}{469+70350}  =466\ ohm

The equivalent resistance of the two cylindrical conductors connected in parallel is 466 ohm.

Find out more on resistance at: brainly.com/question/17563681

3 0
3 years ago
Convert from standard form to scientific notation:
xxMikexx [17]
The answer is
A) 1.3 x 10-7
6 0
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The components of vector à are:
Nookie1986 [14]

Answer:

|A| = √(Ax)^2 + (Ay)^2

|A| = √(7.6)^2 + (-6.4)^2

|A| = √98.72

|A| = 9.9

6 0
3 years ago
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When you have a pot of water on the stove, heat is transferred to the water. Describe the behavior of the water molecules and ho
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The hotter molecules become, the faster they move around. The colder they are, the more slow and lethargic they are

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3 years ago
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