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34問 • 1年前
  • Guevara Official
    • 通報

    問題一覧

  • 1

    The capacity of a battery is measured in

    ampere-hours.

  • 2

    the capacity in (ampere-hours) will depend upon

    the area and the number of the plates

  • 3

    Source voltage is the

    device which furnishes the electrical energy used by the load.

  • 4

    If 2 batteries each of 10 V, 20 ampere-hours in parallel they supply 10 ohm load what is the duration they will feed =

    40 hours

  • 5

    The electrolyte is, a solution which

    provides a path for electron flow,

  • 6

    Primary Cell is one in which the chemical action eats away one of the electrodes, usually the

    negative electrode

  • 7

    An............chemical energy into electrical energy is done by a cell.

    Convert

  • 8

    an..........action that occurs in the cell while the current is flowing causes hydrogen bubbles to form on the surface of the cathode: this action is ........an

    the chemical & called polarization

  • 9

     The specific gravity of the electrolyte of a fully charged cell is approximately......... . This falls to about............. . These values will depend upon the ...........

    1.260 & 1.150 when the cell is completely discharged & manufacturer’s instructions.

  • 10

    Lead Acid Batteries should .

    be stored full charge

  • 11

    Disadvantage of using vents in a battery can be solved by .

    adding water to electrolyte

  • 12

    In a floating the charging rate is determined by :

    battery voltage

  • 13

    If we have 1.5v 100mA of two cells then the total capacity is

    1.5V 200A

  • 14

    A series circuit is صوره

    defined as a circuit that contains only one path for current flow.

  • 15

    OHMS LAW: The current in a circuit is .

    directly proportional to the applied voltage and inversely proportional to the circuit resistance

  • 16

    Ohm's law may be expressed as equation:

    V= I*R

  • 17

    Kirchhoff's voltage law .

    states (The algebraic sum of voltages interring or leaving a series of components will be equal to the supply voltage)

  • 18

    Find the total current THE CIRCUIT BELOW :

    2A

  • 19

    Measuring internal resistance directly with ohmmeter the meter: .

    would cause damaged to the meter

  • 20

    THE difference in terminal voltage is caused by

    the internal resistance of the battery

  • 21

    The device which furnishes the electrical energy used by the load :

    source

  • 22

    Total current in

    parallel

  • 23

    IT = I1 + I2 + I3 divided inversely proportional to the resistance

    VT = V1 = V2= V3

  • 24

    Example: three 10 resistors connected in parallel with a source voltage of 10V, the voltage drop at each resistor is:

    10volt

  • 25

    If a three resistors each 9 ohms in parallel and a voltage of 3 volt applied what is the l total current?

    1 AMP V= 3 I = V / R 3/3=1 AMP

  • 26

    If a three 9 V batteries in series and a load current is 150 mA what is the load total resistance? V= 27 R= V / I 27/.15=

    180 ohms

  • 27

    Find the value of the voltage source صوره

    50 volt

  • 28

    The series circuit has only

    one path for current, the parallel circuit has more than one path for current

  • 29

    The characteristics of a parallel dc circuit are different than those of a

    series dc circuit

  • 30

    A parallel circuit is defined as one

    having more than one current path connected to a common voltage source

  • 31

    Series and parallel DC circuits have been

    considered separately

  • 32

    A break in the circuit means:

    OPEN

  • 33

    Two 10 resistors connected in parallel with a source voltage of 5V, the current across each resistor is:

    0.5

  • 34

    Circuits consisting of both series and parallel elements. A circuit of this type is referred to as a

    combination circuit

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    問題一覧

  • 1

    The capacity of a battery is measured in

    ampere-hours.

  • 2

    the capacity in (ampere-hours) will depend upon

    the area and the number of the plates

  • 3

    Source voltage is the

    device which furnishes the electrical energy used by the load.

  • 4

    If 2 batteries each of 10 V, 20 ampere-hours in parallel they supply 10 ohm load what is the duration they will feed =

    40 hours

  • 5

    The electrolyte is, a solution which

    provides a path for electron flow,

  • 6

    Primary Cell is one in which the chemical action eats away one of the electrodes, usually the

    negative electrode

  • 7

    An............chemical energy into electrical energy is done by a cell.

    Convert

  • 8

    an..........action that occurs in the cell while the current is flowing causes hydrogen bubbles to form on the surface of the cathode: this action is ........an

    the chemical & called polarization

  • 9

     The specific gravity of the electrolyte of a fully charged cell is approximately......... . This falls to about............. . These values will depend upon the ...........

    1.260 & 1.150 when the cell is completely discharged & manufacturer’s instructions.

  • 10

    Lead Acid Batteries should .

    be stored full charge

  • 11

    Disadvantage of using vents in a battery can be solved by .

    adding water to electrolyte

  • 12

    In a floating the charging rate is determined by :

    battery voltage

  • 13

    If we have 1.5v 100mA of two cells then the total capacity is

    1.5V 200A

  • 14

    A series circuit is صوره

    defined as a circuit that contains only one path for current flow.

  • 15

    OHMS LAW: The current in a circuit is .

    directly proportional to the applied voltage and inversely proportional to the circuit resistance

  • 16

    Ohm's law may be expressed as equation:

    V= I*R

  • 17

    Kirchhoff's voltage law .

    states (The algebraic sum of voltages interring or leaving a series of components will be equal to the supply voltage)

  • 18

    Find the total current THE CIRCUIT BELOW :

    2A

  • 19

    Measuring internal resistance directly with ohmmeter the meter: .

    would cause damaged to the meter

  • 20

    THE difference in terminal voltage is caused by

    the internal resistance of the battery

  • 21

    The device which furnishes the electrical energy used by the load :

    source

  • 22

    Total current in

    parallel

  • 23

    IT = I1 + I2 + I3 divided inversely proportional to the resistance

    VT = V1 = V2= V3

  • 24

    Example: three 10 resistors connected in parallel with a source voltage of 10V, the voltage drop at each resistor is:

    10volt

  • 25

    If a three resistors each 9 ohms in parallel and a voltage of 3 volt applied what is the l total current?

    1 AMP V= 3 I = V / R 3/3=1 AMP

  • 26

    If a three 9 V batteries in series and a load current is 150 mA what is the load total resistance? V= 27 R= V / I 27/.15=

    180 ohms

  • 27

    Find the value of the voltage source صوره

    50 volt

  • 28

    The series circuit has only

    one path for current, the parallel circuit has more than one path for current

  • 29

    The characteristics of a parallel dc circuit are different than those of a

    series dc circuit

  • 30

    A parallel circuit is defined as one

    having more than one current path connected to a common voltage source

  • 31

    Series and parallel DC circuits have been

    considered separately

  • 32

    A break in the circuit means:

    OPEN

  • 33

    Two 10 resistors connected in parallel with a source voltage of 5V, the current across each resistor is:

    0.5

  • 34

    Circuits consisting of both series and parallel elements. A circuit of this type is referred to as a

    combination circuit