NEET Physics Practice Exam 2025 – Complete Prep Resource

Question: 1 / 400

In the formula W = q · V, what does 'W' represent?

Charge

Work done

In the formula W = q · V, 'W' represents work done. This relationship arises in the context of electric circuits and energy transfer involving charged particles.

When a charge 'q' is moved through a potential difference 'V', work is done on the charge by the electric field. This work is essentially the energy required to move the charge from one point to another against the electric field. The amount of work done can be quantified by multiplying the charge (in coulombs) by the voltage difference (in volts) between the two points.

Understanding this concept is crucial, as it links the behavior of electric charges to energy. In practical terms, this means that the higher the voltage and the greater the charge, the more work is required or done in moving the charge across that voltage. Thus, knowing how to interpret the components of this formula is fundamental in the study of electrical energy and circuits.

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Voltage

Electric field

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