Assume That an Ammeter Provides Range Values of 5 A

question 19

Multiple Choice

Assume that an ammeter provides range values of 5 A, 2.5 A, 1 A, and 0.5 A. Also, assume that the meter movement requires a current flow of 100 mA (0.100) to deflect the meter full scale and that the primary of the current transformer contains 5 turns of wire. The number of turns needed for a full-scale range of 5 amperes is ____ turns.

• A) 5
• B) 25
• C) 125
• D) 250

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