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3 years ago

When electric current is flowing in a circuit, if the voltage applied to the circuit is increased,

2 answers:

4 0

The currente of a circuit is given by First Ohm's Law:

$i= \frac{V}{R}$

Therefore, if the voltage increased, the resistence must also increase, so that the current remains constant, otherwise the current will increase.

Letter B

If you notice any mistake in my english, please let me know, because i am not native.

Rainbow [258]3 years ago

3 0

The current that flows in the circuit is

(voltage applied to the circuit)
divided by
(net resistance of the circuit) .

The resistance of most circuits is constant. So this simple formula
shows that the current is directly proportional to the applied voltage.
If the applied voltage increases, so does the current.

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The current through a 0.2-H inductor is i(t) = 10te–5t A. What is the energy stored in the inductor?

lakkis [162]

Answer:

E = 10t^2e^-10t Joules

Explanation:

Given that the current through a 0.2-H inductor is i(t) = 10te–5t A.

The energy E stored in the inductor can be expressed as

E = 1/2Ll^2

Substitutes the inductor L and the current I into the formula

E = 1/2 × 0.2 × ( 10te^-5t )^2

E = 0.1 × 100t^2e^-10t

E = 10t^2e^-10t Joules

Therefore, the energy stored in the inductor is 10t^2e^-10t Joules

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3 years ago

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ziro4ka [17]

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3 years ago

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murzikaleks [220]

Answer:

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Explanation:

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3 years ago

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kogti [31]

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Where the energy corresponds to the work done by the engine, which is $E=6.82 \cdot 10^5 J$ . Re-arranging the formula, we can calculate the time t needed to do this amount of work:
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3 years ago

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White raven [17]

The Answer is= 7.8 x 10^4

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3 years ago