11. A thermistor is a type of ________.
(a) switch
(b) resistor
(c) battery
(d) power supply
12. A wiper is the sliding contact in a ________.
(a) switch
(b) photoconductive cell
(c) thermistor
(d) potentiometer
13. An ohmmeter is an instrument for measuring ________.
(a) current
(b) voltage
(c) resistance
(d) wattage
14. When placed close together, two positively charged materials will ________.
(a) attract
(b) become neutral
(c) become negative
(d) repel
15. A material that does not allow current under normal conditions is a(n) ________.
(a) insulator
(b) conductor
(c) semiconductor
(d) valence
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5555555555 19. A red, red, orange, gold resistor has a nominal value of ________. (a) 22,000 Ω (b) 2,200 Ω (c) 22 Ω (d) 2.2 Ω- 5555555555 5. The maximum resistance value for a brown, red, yellow, gold resistor is ________. (a) 1,26,000 Ω (b) 1,26,600 Ω (c) 1,14,000 Ω (d) 1,32,000 Ω
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