When transposing the equation E = RI to solve for I, what is the resulting formula?

Prepare for the 5th Class Power Engineering Exam with comprehensive flashcards and multiple-choice questions. Each question includes hints and explanations. Get exam-ready!

To solve the equation ( E = RI ) for ( I ), you need to isolate ( I ) on one side of the equation. This can be accomplished by dividing both sides of the equation by ( R ), assuming that ( R \neq 0 ).

Starting with the original equation:

[ E = RI ]

You can divide both sides by ( R ):

[ \frac{E}{R} = \frac{RI}{R} ]

This simplifies to:

[ \frac{E}{R} = I ]

Rearranging this gives:

[ I = \frac{E}{R} ]

Thus, the correct formula for ( I ) in terms of ( E ) and ( R ) is indeed ( I = E / R ). This formula reflects Ohm's Law, which demonstrates the relationship between voltage (E), resistance (R), and current (I).

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