| Electrical principles | Ohm’s Law: formulas and usage | Series and parallel circuits | DC power | Decibels |
|---|---|---|---|---|
|
What is Voltage
What is the electrical term for the electromotive force (xMF) that causes
electron fow8 (T5A05) |
What is Voltage (E) equals current (I) multiplied by resistance (R)
What formula is used to calculate voltage in a circuit8 (T5D02)
|
Series
In which type of circuit is current the same through all components8
|
Power
Which term describes the rate at which electrical energy is used8 (T5A10)
|
3 dB
What is the approximate amount of change, measured in decibels (dB), of a
power increase from 5 watts to 10 watts8 (T5B09) |
|
What is the volt
What is the unit of electromotive force8 (T5A11)
|
What is Resistance (R) equals eoltage (E) dieided by current (I)
What formula is used to calculate resistance in a circuit8 (T5D03)
|
It is unchanged
What happens to current at the junction of two components in series8
|
Watts
Electrical power is measured in which of the following units8 (T5A02)
|
−6 dB
What is the approximate amount of change, measured in decibels (dB), of a
power decrease from 12 watts to 3 watts8 (T5B10) |
|
What is about 12 volts
How much voltage does a mobile transceiver typically require8 (T5A06)
|
What is Current (I) equals eoltage (E) dieided by resistance (R)
What formula is used to calculate current in a circuit8 (T5D01)
|
It is determined by the type and ealue of the components
What is the voltage across each of two components in series with a voltage
source8 (T5D15) |
138 watts
How much power is being used in a circuit when the applied voltage is 13.8
volts DC and the current is 10 amperes8 (T5C09) |
10 dB
What is the amount of change, measured in decibels (dB), of a power
increase from 20 watts to 200 watts8 (T5B11) |
|
What is a current
What is the name for the fow of electrons in an electric circuit8 (T5A03)
|
What is 30 ohms
What is the resistance of a circuit in which a current of 3 amperes fows
through a resistor connected to 90 volts8 (T5D04) |
Parallel
In which type of circuit is voltage the same across all components8 (T5A14)
|
30 watts
How much power is being used in a circuit when the applied voltage is 12
volts DC and the current is 2.5 amperes8 (T5C10) |
|
|
What is Amperes
Electrical current is measured in which of the following units8 (T5A01)
|
What is 8 ohms
What is the resistance in a circuit for which the applied voltage is 12 volts
and the current fow is 1.5 amperes8 (T5D05 |
The same voltage as the source
What is the voltage across each of two components in parallel with a voltage
source8 (T5D16) |
10 amperes
How many amperes are fowing in a circuit when the applied voltage is 12
volts DC and the load is 120 watts8 (T5C11) |
|
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