Electrical Sem 1: Unit 1 review
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12 Terms
What are the 2 types of voltage generation?
Static Voltage
Dynamic Voltage
What is the equation for dynamic voltage production and what rule is used for it?
Right hand rule.
What is the equation for torque production and what rule is used?
Left hand rule.
For an R L load, how do current and voltage behave.
Current LAGS voltage by angle theta.
For and R C load, how do current and voltage behave?
Current LEADS voltage by angle theta.
How do you calculate active power and what are the units?
How do you calculate reactive power and what are the units?
How do you calculate apparent power and what are the units?
How is a magnetic circuit formed and what’s transmitted.
A child with current flowing produces flux lines that are induced into a ferromagnetic material like iron. the iron core that transmits the flux lines to a another part of the circuit.
How do you calculate the reluctance of a coil?
l is the centroidal length of the core
u0 is permeability of free space
ur is the relative premiability
A is the cross sectional area of the core
For a simple conductor, how is the magnetic field produced.
Right and them rule where the thumb represented the current and the fingers represent the direction of the field lines.
How do you calculate the self inductance of a coil?
Number of turns squared, over reluctance.