Motor Controls Test 1 questions with
complete solutions graded A+
A ___ connection is a combination of series- and parallel-connected components. - correct answer
✔✔series/parallel
A ___ connection is a connection that has two or more components connected so there is only one path
for current flow. - correct answer ✔✔series
A ___ magnet is a magnet that retains only trace amounts of magnetism after the magnetizing force has
been removed. - correct answer ✔✔temporary
A magnet is a substance that produces a magnetic field and attracts ___. - correct answer ✔✔iron
A(n) ___ connection has two or more components connected so there is more than one path for current
flow. - correct answer ✔✔parallel
A(n) ___ is a particle contained in the nucleus of an atom that has a positive electrical charge. - correct
answer ✔✔proton
A(n) ___ is an electronic component that allows current to pass through it in only one direction. - correct
answer ✔✔diode
All matter consists of an organized collection of ___. - correct answer ✔✔atoms
An inductive circuit is a circuit in which ___ lags voltage. - correct answer ✔✔current
Common power sources that directly produce DC voltage are ___, fuel cells, and photovoltaic cells. -
correct answer ✔✔batteries
, Energy sources such as coal, oil, and ___ are consumed during use. - correct answer ✔✔natural gas
In addition to the maximum voltage, each photovoltaic cell may produce up to ___ mA of current. -
correct answer ✔✔40
In an inductive circuit, the current lags the ___. - correct answer ✔✔voltage
Ohm's law is used in circuits that contain ___. - correct answer ✔✔impedance
Ohm's law states that voltage in a circuit is equal to ___. - correct answer ✔✔current times resistance
Permanent magnets may be demagnetized by a sharp blow or by ___. - correct answer ✔✔heat
Photovoltaic cells are rated by the amount of ___ they convert. - correct answer ✔✔energy
The ___ in a circuit containing series-connected loads is the same throughout the circuit. - correct
answer ✔✔current
The direction in which current flows through a conductor determines the ___ of the magnetic field
around it. - correct answer ✔✔direction
The electrical term used to describe the opposition to electron flow is ___. - correct answer
✔✔resistance
The photovoltaic effect is measured using a high-impedance voltage-measuring device such as a ___. -
correct answer ✔✔digital multimeter
The power formula states that current (I) in a circuit is equal to power (P) ___ voltage (E). - correct
answer ✔✔divided by
complete solutions graded A+
A ___ connection is a combination of series- and parallel-connected components. - correct answer
✔✔series/parallel
A ___ connection is a connection that has two or more components connected so there is only one path
for current flow. - correct answer ✔✔series
A ___ magnet is a magnet that retains only trace amounts of magnetism after the magnetizing force has
been removed. - correct answer ✔✔temporary
A magnet is a substance that produces a magnetic field and attracts ___. - correct answer ✔✔iron
A(n) ___ connection has two or more components connected so there is more than one path for current
flow. - correct answer ✔✔parallel
A(n) ___ is a particle contained in the nucleus of an atom that has a positive electrical charge. - correct
answer ✔✔proton
A(n) ___ is an electronic component that allows current to pass through it in only one direction. - correct
answer ✔✔diode
All matter consists of an organized collection of ___. - correct answer ✔✔atoms
An inductive circuit is a circuit in which ___ lags voltage. - correct answer ✔✔current
Common power sources that directly produce DC voltage are ___, fuel cells, and photovoltaic cells. -
correct answer ✔✔batteries
, Energy sources such as coal, oil, and ___ are consumed during use. - correct answer ✔✔natural gas
In addition to the maximum voltage, each photovoltaic cell may produce up to ___ mA of current. -
correct answer ✔✔40
In an inductive circuit, the current lags the ___. - correct answer ✔✔voltage
Ohm's law is used in circuits that contain ___. - correct answer ✔✔impedance
Ohm's law states that voltage in a circuit is equal to ___. - correct answer ✔✔current times resistance
Permanent magnets may be demagnetized by a sharp blow or by ___. - correct answer ✔✔heat
Photovoltaic cells are rated by the amount of ___ they convert. - correct answer ✔✔energy
The ___ in a circuit containing series-connected loads is the same throughout the circuit. - correct
answer ✔✔current
The direction in which current flows through a conductor determines the ___ of the magnetic field
around it. - correct answer ✔✔direction
The electrical term used to describe the opposition to electron flow is ___. - correct answer
✔✔resistance
The photovoltaic effect is measured using a high-impedance voltage-measuring device such as a ___. -
correct answer ✔✔digital multimeter
The power formula states that current (I) in a circuit is equal to power (P) ___ voltage (E). - correct
answer ✔✔divided by
