6A46 - Direction of flow of DC electricity in a conductor can be determined by:
- Correct answer
D.A & C
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A.A magnetic compass and the left hand rule
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B.A magnetic compass and the right hand rule
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C.Connecting an ammeter with marked polarities in series with the circuit
This question is one of 100 in FCC Radiotelegraph Element 6 2014. Test yourself on all of them.
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