In a Loop in a Closed Circuit, the Sum of the Currents

question 74

Multiple Choice

In a loop in a closed circuit, the sum of the currents entering a junction equals the sum of the currents leaving a junction because

• A) the potential of the nearest battery is the potential at the junction.
• B) there are no transformations of energy from one type to another in a circuit loop.
• C) capacitors tend to maintain current through them at a constant value.
• D) current is used up after it leaves a junction.
• E) charge is neither created nor destroyed at a junction.

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Definitions:

Electrocardiography

The process by which a graphic pattern is created to reflect the electrical impulses generated by the heart as it pumps.

Electrical Impulses

Signals that travel along nerve cells and are essential for the functioning of the nervous system and muscular contractions.

Graphic Pattern

A visual motif or design repeated in a predictable manner, often used in artwork, textiles, and digital graphics.

ECG Strip

A graphical representation of the heart's electrical activity as recorded during an Electrocardiogram (ECG) test.