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evablogger [386]

3 years ago

13

The current flow occurs due to the difference in _______.

1 answer:

Mice21 [21]3 years ago

5 0

Answer:

The current flow occurs due to the difference in electrical potential

Explanation:

The difference in electrical potential between two point in electrical circuit causes charges to flow, usually from the region of higher potential to the region of lower potential. The flow of these charges is known as current.

Thus, the current flow occurs due to the difference in electrical potential. Electric potential means work done in moving a unit positive charge from infinity to a particular point in the field against the electrical resistance of that field.

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2 years ago

An emf of 22.0 mV is induced in a 519-turn coil when the current is changing at the rate of 10.0 A/s. What is the magnetic flux

zhenek [66]

Answer:

$\phi=1.56\times 10^{-5}\ Wb$

Explanation:

Given that,

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We need to find the magnetic flux through each turn of the coil at an instant when the current is 3.70 A.

Let's find the inductance first. So,

$L=\dfrac{\epsilon}{(dI/dt)}\\\\L=\dfrac{0.022}{10}\\\\L=0.0022\ H$

We have,

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