Radio Amateur Quiz Canadian License

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Question B-003-016-006

An alkaline cell has a nominal voltage of 1.5 volts. When supplying a great deal of current, the voltage may drop to 1.2 volts. This is caused by the cell's:

Correct Answer

internal resistance

Explanation

All voltage sources have internal resistance, which causes the output voltage to drop as the current drawn increases (Voltage Drop = Current * Internal Resistance).

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