MO Valley Test 1-5 Comprehensive Resource To Help You
Ace 2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. The degree to which a material is able to focus lines of magnetic flux is called ? .
a. flexibility
b. permeability
c. redirection
d. saturation - Correct Answer: b. permeability
2. The opposition that materials present to the flow of magnetic lines of flux is
called ? .
a. impedance
b. inductive reactance
c. reluctance
d. resistance - Correct Answer: c. reluctance
3. Whenever a conductor cuts through magnetic lines of flux, a(n) ? is induced into
the conductor.
a. current
b. electromagnetic field
c. electron field
,d. voltage - Correct Answer: d. voltage
4. The amount of current determines the ? of the magnetic field when current
flows through a conductor.
a. ampacity
b. direction
c. polarity
d. strength - Correct Answer: d. strength
5. DC generators work on the principle of ? induction. - Correct Answer:
Electromagnetic
6. The ? leads of a DC generator are used to connect the armature to the external
circuit.
a. brush
b. field
c. rotor
d. stator - Correct Answer: a. brush
7. In a DC generator, the armature is always the rotor.
T/F - Correct Answer: True
8. *In DC generators, the rotating windings are connected to a ? that is segmented
and reverses the loop connections every half cycle.
,a. rotor
b. commutator
c. slip ring
d. stator - Correct Answer: b. commutator
9. When the loop is turned on a single loop generator, the conductor cuts through
magnetic lines of flux and a(n) ? .
a. electromagnet is created
b. inductance is generated through the circuit
c. resistance is created
d. voltage is induced into the conductor - Correct Answer: d. voltage is
induced into the conductor
10. In a DC generator, each commutator segment is insulated from the others by
an insulator material, such as ? .
a. bronze
b. carbon
c. graphite
d. mica - Correct Answer: d. mica
11. The magnetic field around a conductor is a series of concentric flux lines ? .
a. along the surface of the conductor
b. situated perpendicular to the conductor
c. surrounding the conductor
, d. that radiate with the amount of voltage in the conductor - Correct Answer:
b.situated perpendicular to the conductor
12. When two power sources are connected in parallel, the circuit voltage will ?. -
Correct Answer: remain the same
13. A parallel circuit is also a current ? circuit. - Correct Answer: divider
14. *The amount of power being used by each resistor can be found by using the
? law. - Correct Answer: Watts
*The relative field strength of a coil is measured in ?.
a. conductor-turns
b. watts
c. ampere-turns
d. kilo-newtons - Correct Answer: ampere-turns
15. *Whenever a magnetic field cuts through a conductor, a ? will be induced into
that conductor. - Correct Answer: Voltage
16. *All rotating armatures produce ?. - Correct Answer: c. alternating current
17. As resistors of equal value are removed from a parallel circuit, the total
resistance of the remaining resistors will ?. - Correct Answer: increase
Ace 2026-2027 Exams Includes Frequently Tested Questions
With ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. The degree to which a material is able to focus lines of magnetic flux is called ? .
a. flexibility
b. permeability
c. redirection
d. saturation - Correct Answer: b. permeability
2. The opposition that materials present to the flow of magnetic lines of flux is
called ? .
a. impedance
b. inductive reactance
c. reluctance
d. resistance - Correct Answer: c. reluctance
3. Whenever a conductor cuts through magnetic lines of flux, a(n) ? is induced into
the conductor.
a. current
b. electromagnetic field
c. electron field
,d. voltage - Correct Answer: d. voltage
4. The amount of current determines the ? of the magnetic field when current
flows through a conductor.
a. ampacity
b. direction
c. polarity
d. strength - Correct Answer: d. strength
5. DC generators work on the principle of ? induction. - Correct Answer:
Electromagnetic
6. The ? leads of a DC generator are used to connect the armature to the external
circuit.
a. brush
b. field
c. rotor
d. stator - Correct Answer: a. brush
7. In a DC generator, the armature is always the rotor.
T/F - Correct Answer: True
8. *In DC generators, the rotating windings are connected to a ? that is segmented
and reverses the loop connections every half cycle.
,a. rotor
b. commutator
c. slip ring
d. stator - Correct Answer: b. commutator
9. When the loop is turned on a single loop generator, the conductor cuts through
magnetic lines of flux and a(n) ? .
a. electromagnet is created
b. inductance is generated through the circuit
c. resistance is created
d. voltage is induced into the conductor - Correct Answer: d. voltage is
induced into the conductor
10. In a DC generator, each commutator segment is insulated from the others by
an insulator material, such as ? .
a. bronze
b. carbon
c. graphite
d. mica - Correct Answer: d. mica
11. The magnetic field around a conductor is a series of concentric flux lines ? .
a. along the surface of the conductor
b. situated perpendicular to the conductor
c. surrounding the conductor
, d. that radiate with the amount of voltage in the conductor - Correct Answer:
b.situated perpendicular to the conductor
12. When two power sources are connected in parallel, the circuit voltage will ?. -
Correct Answer: remain the same
13. A parallel circuit is also a current ? circuit. - Correct Answer: divider
14. *The amount of power being used by each resistor can be found by using the
? law. - Correct Answer: Watts
*The relative field strength of a coil is measured in ?.
a. conductor-turns
b. watts
c. ampere-turns
d. kilo-newtons - Correct Answer: ampere-turns
15. *Whenever a magnetic field cuts through a conductor, a ? will be induced into
that conductor. - Correct Answer: Voltage
16. *All rotating armatures produce ?. - Correct Answer: c. alternating current
17. As resistors of equal value are removed from a parallel circuit, the total
resistance of the remaining resistors will ?. - Correct Answer: increase
