NABCEP Technical Sales Complete Practice Exam 2025

Question: 1 / 400

In a PV array, what is the result of combining multiple solar cells in parallel?

Increased voltage

Increased current

Combining multiple solar cells in parallel results in an increased current output while maintaining the same voltage level. In a parallel configuration, each solar cell contributes its current to the overall output, so if each cell generates a specific amount of current, the total output current is the sum of the currents produced by each cell. This is particularly beneficial in applications where higher current is necessary for specific loads or when charging batteries.

The voltage across each of the cells in parallel is equal to the voltage of a single cell, preventing any increase in voltage, which is characteristic of series connections. Thus, when designing a PV system, understanding this behavior is crucial for achieving the desired currents and ensuring compatibility with other system components like inverters or batteries.

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Decreased efficiency

Decrease in overall size

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