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STALIN [3.7K]
4 years ago
11

When you turn on a television, the electrical circuit _____. closes opens does not move

Physics
2 answers:
vovangra [49]4 years ago
7 0
Closes. The circuit is therefore complete and current is able to flow through
Readme [11.4K]4 years ago
4 0

Answer: Closes.

Explanation: A television needs electricity for power but just  connecting to a power source doesn't make a television work. We need to switch it on as well. When the television is in off mode, the power is being supplied but in an open loop circuit and hence its off or inactive.

When we turn on the television, the circuit gap is closed as a part of our action and thus the current begins to flow thereby switching on the television. Hence, to power on a television, the circuit needs to be closed.

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According to Coulomb's law, if the separation between two particles of the same charge increases four times, the potential energ
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3 years ago
Romi and Sony are two brothers. They wanted to go to the library. Just as they were
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Answer:

hi

Here are the answers you need

a. Romi's speed = slope of graph = 1000/15 - 0 = 66m/min

b. for 10 minute

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Question 18 of 25
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3 years ago
A 7.45 nC charge is located 1.66 m from a 4.22 nC point charge. (a) Find the magnitude of the electrostatic force that one charg
BaLLatris [955]

Answer:

a.F=1.03\times 10^{-7}N

b.Repulsive

Explanation:

We are given that

q_1=7.45nC=7.45\times 10^{-9}C

1nC=10^{-9}C

q_2=4.22nC=4.22\times 10^{-9}C

r=1.66m

We know that

Electrostatic force =F=k\frac{q_1q_2}{r^2}

r=Distance between q_1\;and\;q_2

k=Constant=9\times 10^9Nm^2C^{-2}

Using the formula

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Therefore, the force between given charges is repulsive.

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3 years ago
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