Question
Explain EMF and Current, Effects of Electric Current.
Answer :
Word Count : 479
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Skip in 10
Electromotive force (EMF) is a fundamental concept in electrical and electronic sciences, representing the energy supplied by a source per unit charge to move electrons through a circuit. It is measured in volts and is essentially the potential difference that drives current in a circuit. EMF can be generated by various sources such as batteries, generators, or solar cells. While EMF indicates the capability of a source to do work on charges, it does not necessarily mean current will flow; current depends on the circuit's resistance. EMF is often considered the “cause” that initiates the movement of charges, whereas current is the “effect” that results from this movement through a conducting medium. Electric current, on the other hand, is the rate of flow of electric charges through a conductor. It is measured in amperes and represents the actual movement
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