How many electrons are present in one coulomb?

एक पंक्ति में उत्तर

Q = ne
N = Q/e = 1C / 1.6 x 10^-19 = 6.25 x 10¹⁸

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Types of Circuits: Simple Circuit

क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

अध्याय 8: Electricity and Magnetism - Static Electricity [पृष्ठ ३००]

अध्याय 8 Electricity and Magnetism
Static Electricity | Q 12 | पृष्ठ ३००

Name the constituents of a cell.

State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.

Current in a circuit flows :

There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.

What is the potential of the spheres after electrical contact?

State two conditions necessary for a circuit, such that electric current flows through it.

State the kind of charge on a positive ion.

Write SI unit of
Electric current,

Write SI unit of
Potential difference

Write SI unit of
Resistance.