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Carbon And Its Compounds

Question

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Define electric current. What is the SI unit of electric current?

Solution

Electric current: Electric current is defined as the rate of flow of electric charge through any cross-section of a conductor.

Thus,

Electric current = \frac{Charge}{Time}

If a charge Q passes through a cross-section of a conductor in time t, then the current I is given by

I = \frac{Q}{t}

The SI unit of electric current is ampere (A).

Some More Questions From Carbon and its Compounds Chapter

How is electricity much more useful than other forms of energy?

Mention some important uses of electricity in our daily life.

How is static electricity different from current electricity?

Distinguish between conductors and insulators. Give some of their examples.

What constitutes an electric current?

Name the SI unit of electric charge.

Which is bigger—a coulomb of charge or a charge on an electron?

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