voltage and current mcqs
- The conductance of 8 ohm resistance is
- 12.5 ms
- 8 ms
- 125 ms
- none
2. A neutral atom with an atomic number of 5 has how many electrons ?
- 1
- 5
- None
- Depends on the type of atom
3. An ammeter is an electrical instrument used to measure
- current
- voltage
- resistance
- none
4.A wiper is the sliding contact in a
- switch
- photoconductive cell
- thermistor
- potentiometer
Follow us at YouTube Rauls Tutorial Electronics voltage and current mcqs
5.Electrons in the outer orbit are called
- nuclei
- valence
- waves
- shells
6.Resistance limit the current.
- true
- false
7.Which of the following is not the type of energy source?
- generator
- rheostat
- solar cell
- battery
8. The maximum resistance value for a brown, red, yellow, gold resistor is
- 126000 ohms
- 12600 ohms
- 114000 ohms
- 132000 ohms
9.The unit of electrical charge is
- volt
- ampere
- coulomb
- none
10.Free electrons make current possible.
- true
- false
11.Current flows in a circuit when
- switch is opened
- switch is closed
- switch is either open or close
- none
12. A voltmeter is connected across the current path.
- true
- false
13. A multimeter measures
- Current
- Voltage
- Resistance
- Current, voltage, and resistance
14. A circuit breaker is a
- fuse
- switch
- resistor
- resettable protective device
15. Material with lots of free electrons are called
- conductor
- insulators
- semiconductors
- filters
16.A potentiometer is a two terminal variable resistors
- true
- false
17.The current in a given circuit is not to exceed 24 A. Which value of fuse is best?
- A fuse is not necessary
- 10 A
- 24 A
- 20 A
18. An open circuit is one that has a complete current path.
- True
- False
19.A neutral atom is one with an equal number of protons and electrons.
- True
- False
20. An ohmmeter is an instrument for measuring
- Current
- Voltage
- Resistance
- Wattage
21.When the current is 2.5 A, how many coulombs pass a point in 0.2 s?
- 12.5 C
- 1.25 C
- 0.5 C
- 5 C
mcqs on diodes special purpose diodes
