Answer the following statement(s) true (T) or false (F)
1. According to the rules for bell circuits, both sides of the voltage source are connected directly to the bell.
2. Several signaling devices, each controlled from a separate pushbutton, may be used on the same bell transformer.
3. In a bell circuit, when the pushbutton is depressed, the circuit is open; when the button is released, the circuit is closed.
4. A combination bell and buzzer unit must contain at least two electromagnets.
1. False
2. True
3. False
4. True
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