What causes electrification of two bodies when they are rubbed together?

What causes the electrification of two bodies when they are rubbed together?

फरक स्पष्ट करा

एका वाक्यात उत्तर

The friction between two bodies when they are rubbed against each other is the reason for electrification.

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Types of Circuits: Simple Circuit

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

पाठ 8: Electricity and Magnetism - Exercise [पृष्ठ ३२३]

पाठ 8 Electricity and Magnetism
Exercise | Q 5 | पृष्ठ ३२३

What transformation of energy takes place when current is drawn from a cell?

What do you understand by the term resistance?

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.

What do you understand by the term electric resistance?

Draw a diagram showing two bulbs connected in series to a dry cell.

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

Compare the brightness of two 60 watt bulbs.
When they are connected in parallel.
Explain giving scientific reasons.