3.3 Electrical Terminology Flashcards
What occurs when there is a deficiency of electrons at one point and an excess at the other.
Option A. Short Circuit
Option B. An Electrical Voltage
Option C. Overheating
An electrical voltage
A potential difference always occurs between two
Option A. Bulbs
Option B. Charged Electrons
Option C. Charged points
Charged points
What is the symbol of Electrical Charge
Option A. ¥
Option B. Q
Option C. E
Q
What is the unit of Electrical charge
Option A. Coulomb (C)
Option B. Volts (V)
Option C. Amps (A)
Coulomb (C)
1 Coulomb is equal to
Option A. 6.24 x 10
Option B. 6.25 x 10^18
Option C. 6.24 x 10^18
10^ (represents 10 to the power of…)
6.24 x 10^18
Express, Current (I)= Charge (Q) / Time (T) in terms of Q
Option A. T = I x Q
Option B. Q= I x T
Option C. Q= T / I
Q= I x T
Faraday’s Law States that.
Option A. the magnitude of the EMF is indirectly proportional to the rate of change of flux.
Option B. the magnitude of the EMF is directly proportional to the magnetic flux.
Option C. the magnitude of the EMF is directly proportional to the rate of change of flux
the magnitude of the EMF is directly proportional to the rate of change of flux.
The term that describes the combined resistive forces in an AC circuit is.
Option A. resistance.
Option B. total resistance.
Option C. impedance
Impedance
Ohm’s law states that:.
Option A. e.m.f. = current divided by resistance.
Option B. current = e.m.f. divided by resistance.
Option C. resistance = current divided by e.m.f.
Current = e.m.f dived by resistance
E.M.F. in an electric circuit corresponds to what in a magnetic circuit.
Option A. MMF.
Option B. reluctance.
Option C. flux.
MMF
A coulomb is.
Option A. one ampere * second.
Option B. one second per ampere.
Option C. one ampere per second
One ampere * second
An electric current is a flow of.
Option A. electrons from a positively charged area to a negatively charged area.
Option B. electrons from a negatively charged area to a positively charged area.
Option C. protons from a positively charged area to a negatively charged area
Electrons from a negatively charged area to a positively charged area OR protons from a positively charged area to a negatively charged area
A volt can be considered to be a.
Option A. unit of electrical power.
Option B. quantity of electrical energy.
Option C. unit of electrical pressure
Unit of electrical pressure
Electromotive force is measured in.
Option A. Watts.
Option B. Ohms.
Option C. Volts
Volts
Kirchhoff’s law states.
Option A. the algebraic sum of all the voltages entering or leaving a series of components will be equal to zero.
Option B. the inverse sum of all the voltages entering or leaving a series of components will be equal to one.
Option C. the algebraic sum of all the currents entering or leaving a series of components will be equal to one
the algebraic sum of all the currents entering or leaving a series of components will be equal to one. OR the algebraic sum of all the voltages entering or eaving a series of components will be equal to zero.
