An electrical current is influenced by which of the following?
1. Voltage
2. Resistance
3. Electromotive forces
4. The number of insulators
a. 1 and 2 c. 3 and 4
b. 2 and 4 d. 1, 2, 3, and 4
ANS: A
Electrical currents are influenced by voltage (the electromotive force pushing electrons forward) and the resistance electrons must overcome along the conductive pathway. An insulator is the material surrounding the conductive material and is usually made of plastic.
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