Answer the following statement(s) true (T) or false (F)
1. A rotating magnetic field can be produced with only one phase.
2. The current relay contains a coil with a few turns of large wire and a set of normally closed contacts.
3. All dual-voltage single-phase motors contain two sets of start windings.
4. When the current of the AC waveform increases from zero toward its positive peak, a magnetic field is created in the pole piece.
5. Single-phase synchronous motors require DC excitation current.
1. FALSE
2. FALSE
3. FALSE
4. TRUE
5. FALSE
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