Physics · Electrical Measurements
Which of the following statement is correct regarding a hot-wire ammeter?
- 1It is used only for direct current (D.C.) circuits.
- 2It is a very high-precision instrument unaffected by ambient temperature changes.
- 3It reads equally well on both direct current (D.C.) and alternating current (A.C.) circuits.✓
- 4It is used only for alternating current (A.C.) circuits.
Correct answer
It reads equally well on both direct current (D.C.) and alternating current (A.C.) circuits.
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