What will be the reading of a d.c. ammeter in an a.c. circuit where the current flowing is 4A

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Solution

The correct option is D
0A

The ordinary d.c. ammeter cannot measure a.c. currents. They record 0 reading when they are used in a.c. circuits because the average value of a.c. current over a full cycle is 0

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What will be the reading of a d.c. ammeter in an a.c. circuit where the current flowing is 4A

The correct option is D 0A The ordinary d.c. ammeter cannot measure a.c. currents. They record 0 reading when they are used in a.c. circuits because the average value of a.c. current over a full cycle is 0

The correct option is D
0A

The ordinary d.c. ammeter cannot measure a.c. currents. They record 0 reading when they are used in a.c. circuits because the average value of a.c. current over a full cycle is 0