Voltage, Current and Resistance Objective Type Questions - ObjectiveBooks

Practice Test: Question Set - 03

1. The minimum resistance value for a blue, gray, red, silver resistor is
(A) 612 Ω
(B) 6,120 Ω
(C) 6,800 Ω
(D) 6,460 Ω

2. A thermistor is a type of
(A) Switch
(B) Resistor
(C) Battery
(D) Power supply

3. A voltmeter is connected across the current path.
(A) True
(B) False

4. A neutral atom with an atomic number of five has how many electrons?
(A) 1
(B) 5
(C) None
(D) Depends on the type of atom

5. Current flows in a circuit when
(A) A switch is opened
(B) A switch is closed
(C) The switch is either open or closed
(D) There is no voltage

6. Free electrons make current possible.
(A) True
(B) False

7. The colored bands for a 4,700 ohm resistor with a ten percent tolerance are
(A) Yellow, violet, red, gold
(B) Yellow, violet, orange, gold
(C) Yellow, violet, red, silver
(D) Orange, violet, red, silver

8. 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

9. The unit of electrical charge is the
(A) Volt
(B) Ampere
(C) Joule
(D) Coulomb

10. The maximum resistance value for a brown, red, yellow, gold resistor is
(A) 126,000 Ω
(B) 126,600 Ω
(C) 114,000 Ω
(D) 132,000 Ω

11. Which of the following is not a type of energy source?
(A) Generator
(B) Rheostat
(C) Solar cell
(D) Battery

12. The conductance of an 8 ohm resistance is
(A) 12.5 mS
(B) 8 mS
(C) 12 S
(D) 125 mS

13. Electrons in the outer orbit are called
(A) Nuclei
(B) Valences
(C) Waves
(D) Shells

14. A wiper is the sliding contact in a
(A) Switch
(B) Photoconductive cell
(C) Thermistor
(D) Potentiometer

15. An ammeter is an electrical instrument used to measure
(A) Current
(B) Voltage
(C) Resistance
(D) None of the above

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