Figure 18-06 In the accompanying diagram, when the notch is between the sensor and the magnet, a(n) ____________________ is produced by the Hall generator.

The addition of a(n) ____________________ to the jog circuit eliminates the problem of the holding contacts making connection before the normally closed section of the jog push button makes connection.

Generally, limit switches are used as ____________________ devices that control the coil of relays and motor starters in control circuits.

When two dissimilar metals are joined at one end, and that junction is heated, a voltage is produced. This is known as the ____________________.

Figure 12-4 In the circuit shown in the accompanying figure, timer coil TR1 is connected in ____________________ with the 1M starter coil.

A(n) ____________________ is a device used to generate alternating current at a desired frequency.

Figure 12-4 In the circuit shown in the accompanying figure, timer coil TR1 is connected in ____________________ with the 1M starter coil.

A contactor is a relay that contains ____________________ contacts.

Regardless of the type of photoemissive device used, or the type circuit it is used in, the greatest advantage of the photoemissive device is ____________________.

Figure 22-1 In the accompanying figure, two float switches are necessary in this circuit because the tank is to be ____________________.